| Post Name | Motor Transport Inspector (Technical) |
|---|---|
| Department | Police Motor Transport Wing Category No : 482/2019 |
| Question Paper Code | 077/2022/OL |
| Category Code | 482/2019 |
| Date of Test | 15 September 2022 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
The period of validity of a driving license for driving transport vehicles are
Answer
C. 5 years
2
On fast speed straight highways if a heavy vehicle is broken down, "reļ¬ective traļ¬c warning triangles" shall be placed at a distance of ____________ meters from the rear end of the vehicle.
Answer
B. 50 meters
3
The maximum speed limit of a vehicle while towing another vehicle is
Answer
C. 25 kms/hr
4
The provisions of Section 134 of Motor Vehicles Act, 1988 is
Answer
A. Duty of a driver in case of an accident and injury to a person
5
The colour of registration number plates of a battery operated electrical transport vehicles are
Answer
B. Yellow colour number on green background
6
As per Central Motor Vehicle Rules 1989 the non-skid depth of tread of the tyres used in motor vehicles other than agricultural tractors, two and three wheelers shall not be less than __________ mm.
Answer
A. 1.6 mm
7
The minimum age limit to obtain the driving licence for driving transport vehicles are
Answer
B. 20 years
8
____________ is an unpaid work which an oļ¬ender have to perform as a punishment as per new amendment of Motor Vehicles Act, 1988.
Answer
A. Community service
9
____________ is the major part of engine cooling system of a vehicle.
Answer
B. Radiator
10
The colour of uniform for the heavy goods transport drivers are
Answer
B. Khaki
11
In which of the following organization structure, eļ¬cient use of resources and eļ¬ective realisation of project objectives are achieved ? (i) Line and staļ¬ organization (ii) Divisional organisation (iii) Matrix organisation
Answer
C. (iii)
12
Which of the following methods gives the lowest cost of initial basic feasible solution ?
Answer
C. Vogel's approximation method
13
Which of the following statements are correct with regard to critical path method in network analysis ? (i) A deterministic model with well-known activity time (ii) An event oriented approach (iii) The terminology which uses nodes and ļ¬oats (iv) Employed where the resources are in plenty
Answer
D. (i), (iii) and (iv)
14
A manufacturing unit has an annual requirement of 18000 units of a particular component. The cost per unit of the component is Rs. 20/- and it costs Rs. 450/- to place an order. The inventory carrying cost is estimated as 9% of cost per unit. What is the economic order quantity for the ļ¬rm ?
Answer
C. 3000
15
DPMO in sigma levels of performance stands for
Answer
C. Defects Per Million Opportunities
16
The time estimates to fabricate a component are noted as optimistic time of 2 days, pessimistic time of 10 days and most likely time as 3 days. What is the expected time for the activity based on PERT technique ?
Answer
A. 4 days
17
Which among the following is not a wage incentive plan ?
Answer
C. Gilberth plan
18
The time scale winks used in SIMO chart is
Answer
C. 1 of a minute 2000
19
Which of the following control charts is not an attribute chart ?
Answer
A. R-Chart
20
In which of the following forecasting methods, a panel of experts is interrogated by a sequence of questioners in which the response to one questionnaire is used to produce the next questionnaire ?
Answer
A. Delphi method
21
The process of heating hypo eutectoid steels above š“3 line by a temperature of 50Ā° C keeping it for some time and then cooling slowly in the furnace is called
Answer
B. Full Annealing
22
The approximate relation between Rockwell C hardness value and higher Brinell hardness value is
Answer
D. Brinell hardness number is 10 times the Rockwell C hardness
23
Which of the following welding is used for welding stainless steel components ?
Answer
D. All the above
24
Which among the following is not used as bond strength enhancer in moulding sands ?
Answer
B. Zircone
25
The side rake angle of a lathe cutting tool for cutting steel is in the range of
Answer
B. 10-12Ā°
26
Which of the following statements is correct about up milling ?
Answer
D. All the above
27
In which of the following application the lathe tool face is ground plane with negative rake angle ?
Answer
C. Complex shape forming tools
28
Which of the following is the unit of dynamic viscosity ?
Answer
D. All the above
29
A diļ¬erential manometer consisting of mercury and an oil (speciļ¬c gravity = 0.68) shows a diļ¬erence in mercury level of 30 cm. What is the diļ¬erence in pressure head in terms of meters of oil ?
Answer
B. 5.7 m
30
Which of the following notches gives accurate measurement of discharge ?
Answer
A. Triangular notch
31
The velocity components for an incompressible fluid flow satisfying the continuity equation are u = xĀ² + yĀ² + zĀ² and v = xyĀ² ā yzĀ² + xy. What is the derivative of the third component of velocity?
Answer
B. āw/āz = ā3x ā 2xy + zĀ²
32
Which of the following isolation valves are used as quarter turn valves ? (i) Ball valve (ii) Plug valve (iii) Butterļ¬y valve
Answer
D. (i), (ii) and (iii)
33
Two hydraulic turbines having identical specific speed and effective head have a speed ratio Nā/Nā = 3. What is the ratio of their respective powers Pā/Pā?
Answer
A. 1/9
34
Which of the following centrifugal pump impeller geometry gives the maximum eļ¬ciency ?
Answer
A. Backward inclined blades
35
A jet of water having cross sectional area 0.008 š 2 strikes a ļ¬at plate normally with a velocity of 20 m/s. The plate is moving with a velocity of 10 m/s in the direction of jet away from it. What is the work done by the jet on the plate per second ?
Answer
B. 8000 Nm/s
36
In which of the following cases a constant bending moment is acting on the beam portion ?
Answer
C. Uniformly spaced four point bend beam
37
A cylindrical pressure vessel of internal diameter 1 m and thickness 5 mm is subjected to an internal pressure of 4 bar. The radial stress in the vessel is
Answer
D. 0.4 MPa
38
A shaft rotating at a speed of 1500 rpm is to transmit a power of 3140 watts, the torque acting on the shaft is
Answer
A. 20 Nm
39
The relation between engineering strain (e) and true strain (Īµ) is
Answer
A. Īµ = ln(1 + e)
40
The Unwin formula for ļ¬nding the diameter(d) of the rivet hole for a plate with thickness, t is
Answer
B. d = 6 āt
41
In metric M16 bolt, 16 stands for
Answer
A. Nominal diameter of the bolt
42
In a ļ¬anged coupling, the failure of the bolt is due to
Answer
C. Shearing and Crushing
43
The degree of freedom of the diļ¬erential gear mechanism of an automobile is
Answer
C. 2
44
The ultimate strength of the material of a component is 400 MPa and the component is subjected to working stress of 100 MPa. The margin of safety in this case is
Answer
B. 3
45
The total included angle of the groove of V-belt drive is approximately
Answer
B. 40Ā°
46
Which of the following statement is correct regarding volumetric eļ¬ciency of an IC engine ?
Answer
D. All the above
47
The various processes involved in a particular thermodynamic cycle are reversible adiabatic compression, constant volume heat addition, constant pressure heat addition, reversible adiabatic expansion and constant volume heat rejection. Identify the cycle.
Answer
D. Dual cycle
48
The diļ¬erence in higher caloriļ¬c value and lower caloriļ¬c value of fuel is due to
Answer
A. Latent heat of vaporization of water
49
In which of the following air compression process the work done on the air is maximum ?
Answer
B. Irreversible adiabatic process
50
The emissive power of a grey body at a given temperature is always
Answer
A. Less than that of a black body
51
Relative humidity is deļ¬ned as
Answer
D. Both 1 and 2 above
52
Which of the following refrigerants is not a chloroļ¬uorocarbon ?
Answer
C. R744
53
In a vapour compression refrigeration system, the enthalpy change of refrigerant between suction and discharge of compressor is 40 k J/kg and the heat rejected to compressor cooling water jacket is 10 k J/kg and the refrigeration eļ¬ect is 200 k J/kg. The C.O.P. of the refrigeration system is
Answer
A. 4
54
Eļ¬ective temperature in air conditioning system depends on which of the following parameters ?
Answer
D. Dry bulb temperature, relative humidity and air motion
55
During sensible cooling process
Answer
D. All the above
56
Let, the Crankshaft of 4 Stroke IC Engine be rotating at 3000 RPM, then the time duration (in ms) of one intake stroke is
Answer
B. 10 ms
57
Piston is a cylindrical shaped mass placed into the cylinder forming as _______ of the combustion system.
Answer
A. Moving Boundary
58
Let, the Crankshaft of 4 Stroke IC Engine is rotating at 3000 RPM, then the speed of camshaft is
Answer
C. 1500 RPM
59
At higher altitudes the quantity of fuel supplied by the carburetor should be ________ to maintain correct the fuel air ratio.
Answer
B. decreased
60
Which one of the following does not signiļ¬cantly aļ¬ect the process of carburetion ?
Answer
B. Number of Cylinders
61
Which of the following statements is/are correct about the objectives of the Nozzle ? i. It should atomize the liquid fuel into ļ¬ne droplets. ii. It should uniformly distribute the fuel into combustion chamber. iii. It should avoid impingement of fuel on the walls. iv. It should provide dribbling of fuel.
Answer
C. Only i, ii and iii
62
The S.U. carburetor generally is ___________ type carburetor.
Answer
A. Side Draught and Constant Vacuum
63
Mechanic A says some piston rings control blowby. Mechanics B says some piston rings control oil. Who is right ?
Answer
C. Both Mechanic A and B
64
Which one of the following is most commonly used Anti-freeze solution ?
Answer
A. Ethylene Glycol
65
Which one of the following device prevents the circulation of water in the cooling system so as to allow faster warm-up of the engine ?
Answer
C. Thermostat
66
Cadmium Test is performed to know
Answer
B. Chemical condition of battery plates
67
During discharging process of Battery. i. Both of the plates are covered with šššš4 . ii. Speciļ¬c gravity of electrolyte falls due to formation of water during reaction at ššš2 plate. iii. The terminal voltage increases. Which of the statements given above is/are correct ?
Answer
B. Only statements i and ii are correct
68
The rate at which a battery can produce current is determined by the speed of the chemical reaction. This in turn is determined by which of the following factors : i. Current demanded. ii. Electrolyte strength. iii. Temperature. iv. Surface area of the plates.
Answer
D. All of the above (i, ii, iii and iv)
69
Cutout Relay in vehicle is used
Answer
C. to prevent battery from being discharged while engine is in turned oļ¬ condition
70
Motor Locked Torque is
Answer
B. the torque developed immediately the battery current is switched on as the armature start rotating from rest
71
Shape of Headlight reļ¬ector generally is of
Answer
B. parabolic type
72
Which of the following factors govern headlight dazzle ? i. Brightness ii. Constant iii. The angle subtended by the bright area on eye
Answer
D. All of the mentioned (i, ii and iii)
73
Nowadays, alternators are used over DC Generators because, i. has higher weight to power ratio. ii. does not require maintenance attention because of light slip rings. iii. high output at low engine speed can be obtained. iv. rectiļ¬er is not necessary because cut out relay is used. Which of the above statements is/are correct ?
Answer
A. Only i, ii and iii
74
The spark plug is likely to have the two extreme conditions of pre-ignition and fouling which should be avoided. Select the appropriate temperature range to avoid pre-ignition and fouling of the spark plug.
Answer
C. 450-850Ā° C
75
Which of the following statements is/are correct for Hot spark plug ? i. It has a longer heat path giving delayed cooling than the cold plug. ii. The hot plugs have much longer insulator nose than the cold plugs. iii. It has a shorter heat path giving delayed cooling than the cold plug. iv. The hot plugs have shorter insulator nose than the cold plugs.
Answer
B. Only i and ii
76
The type 2 wheeler frame that is made up of a large number of short steel (or aluminum) tubes welded together to form
Answer
C. Trellis Frame
77
An inherent disadvantages of leaf, coil and solid rubber springs is that the bounce frequency of vibration ____________ considerably as the sprung spring mass is __________.
Answer
C. increases, reduced
78
Consider a steering ratio of 15. If the steered wheels have to be rotated by 30 degree from centre to lock on either side, the number of lock-to-lock turns of the steering wheel is
Answer
A. 2.5 turns
79
Which one of the type of brake system is predominantly used in heavy duty vehicles ?
Answer
D. Compressed Air Brake
80
For same torque transmission capacity as single plate clutch, increasing number of clutch plates in multi-plate clutch the overall diameter of clutch ________.
Answer
B. Decreases
81
Double Declutching is done in
Answer
B. Constant Mesh Gearbox
82
In case of full ļ¬oating axle, the wheels hubs are mounted directly onto the axle casing and are supported by
Answer
A. two taper roller bearings
83
A horseshoe-shaped inner lining of the tyre and is made up of a number of layers of textile cord piles is called as
Answer
C. Carcass
84
Antiknock quality of Gasoline is measured in
Answer
B. Octane number
85
Which one of the following is the right sequence of combustion process in SI Engine ?
Answer
A. Ignition Lag - Flame Propagation - Afterburning
86
In CI Engines, with increase in Engine Output the delay period
Answer
B. decreases
87
Which one of the following statements is not a limitation of supercharging ?
Answer
D. The density of intake air increases
88
While undergoing a Carnot cycle, the ļ¬uid receives heat at a temperature of 327Ā° C and rejects heat at a temperature of 27Ā° C. Find the theoretical eļ¬ciency of Carnot Cycle.
Answer
A. 50.00%
89
Which one of the following is incorrect about air standard engine cycles ?
Answer
C. All the processes that constitute the cycle are internally irreversible
90
The purpose of Morse Test is to obtain the approximate indicated power of a
Answer
B. Multi-cylinder engine
91
Bad valves, leaking gaskets and poor/worn piston rings cause production of a low readings of
Answer
C. Both (1) and (2)
92
If ________ smoke is observed escaping from tail pipe it indicates worn piston rings and/or scored cylinder walls.
Answer
A. Blue
93
Which of the following is/are the causes of excessive fuel consumption in SI engine ? i. cylinder not ļ¬ring ii. choke partly closed after warm-up iii. loose or broken fan belt iv. idle too rich or too fast
Answer
B. Only i, ii and iv
94
Excessive wear at the center of the tyre tread indicates
Answer
B. Over inļ¬ation wear
95
The rapid in and out movement or wobble of a front wheel on its steering axis is called as
Answer
B. Shimmy
96
Which of the following statements related to duties of conductors is/are correct ? i. He should not smoke on duty. ii. He should unduly delay on the journey. iii. He should issue ticket for the desired stage. iv. He should check documents for concession in the fare. v. He should ring the bell as necessary.
Answer
C. Only i, iii, iv and v
97
Which of the following statements related to selection of site for bus depot is/are correct ? i. The size of a bus depot ii. Location of bus depot iii. Volume of operations iv. Type of goods to be carried v. Environment considerations
Answer
C. Only i, ii, iii and v
98
Which of the following statements is/are correct related to third party insurance ? i. The person or property other than the vehicle and vehicle owner are safeguarded under this insurance. ii. It is not compulsory to all privately owned vehicles. iii. For 4 wheelers this policy has to be renewed annually. iv. It does include mechanical breakdown. v. Fire and theft cover are also provided against damage of the insured vehicle.
Answer
A. Only i, and iii
99
Which of the following statements is/are correct relating to Spongy Brake Pedal ? i. Air in hydraulic system. ii. Brake shoes out of adjustment. iii. Defective master cylinder. iv. Loose Connections or damaged brake line. v. Loss of brake ļ¬uid.
Answer
D. All of the mentioned (i, ii, iii, iv and v)
100
Thrust bearing wear will cause excessive
Answer
B. Crankshaft Endplay
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