| Post Name | Lecturer in Automobile Engineering - Technical Education Govt. Polytechnics |
|---|---|
| Question Paper Code | 105/2023/OL |
| Category Code | 250/2022 |
| Date of Test | 5 July 2023 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Flag bits of which of the following registers are aļ¬ected when the microcontroller executes some arithmetic operations?
Answer
B. PSW
2
Which language processor is used to convert a high level language into an object program in one go?
Answer
C. Compiler
3
Which microcontroller oļ¬ers embedded safety characteristics and functional security for advanced automotive applications?
Answer
A. Renesas microcontroller
4
Pick the odd one among the following
Answer
B. PyCharm IDE
5
The 8051 microcontroller invented by Intel in the year 1981 whose foundation was based on Harvard architecture, is widely used in the automobile industry. The size of the accumulator present in this is
Answer
D. 8 bit
6
Noise or vibration usually originates from outside the vehicle. Vibration from outside causing the surfaces of the passenger compartment to vibrate and radiate noise. This type of interaction method is known as
Answer
Question Cancelled
7
The piston slap noise is a type of
Answer
C. Mechanical Noise
8
The value of BSFC (Brake Speciļ¬c Fuel Consumption) is dependent on
Answer
D. All of these
9
The CAFE regulations in India came into force from
Answer
C. April 1, 2017
10
The CAFE standards majorly focuses on ____________ emissions
Answer
C. COx
11
The ____________ Network is serial communication protocol suited for networking sensors, actuators and other electronic devices in vehicles
Answer
A. CAN
12
How many bits in standard CAN Base Frame format?
Answer
D. 11 bits identiļ¬er
13
The US Navy's Timation satellite system, which carried payloads with _____________ standards used for time keeping and time transfer applications.
Answer
B. Atomic Time
14
How many major segments in the NAVSTAR GPS System
Answer
C. 3
15
Which one of the following position techniques is used by the GPS to pinpoint a user's position?
Answer
D. All of these
16
An Indian Pollution Revised Law in April 1, 1996, the value of carbon monoxide (CO) of two stroke motor cycle is
Answer
C. 4.50 g/km
17
For testing evaporative emissions are measured by the vehicle placing in
Answer
D. SHED
18
Which types of vehicle used the standard ULEV (Ultra Low Emission Vehicles)?
Answer
Question Cancelled
19
In the reduction process of a catalytic converter, the ___________ catalyst is used to reduce the nitrogen oxides to nitrogen gas.
Answer
A. Rhodium
20
Vehicle retroļ¬t program aims _____________
Answer
Question Cancelled
21
The component in IC engine which maintain uniform speed of crankshaft despite uneven power pulses of power stroke is
Answer
D. Flywheel
22
The minimum number of compression rings needed in an engine piston is
Answer
C. Two
23
The engine component required for the eļ¬ective functioning of valves in an internal combustion engine is
Answer
A. Cam shaft
24
The ļ¬oat component in carburettor is used for controlling which aspect of following
Answer
D. Level of fuel
25
The connection of the big end bearing part of the connecting rod is to
Answer
C. Crankshaft
26
The placement of the pushrod in valve operation is between
Answer
D. Tappet and rocker arm
27
The component that typically supplies the drive for a mechanical fuel pump in an engine is
Answer
A. Camshaft
28
The function of a glow plug in a diesel engine is
Answer
C. To preheat the combustion chamber for easier cold starts
29
The component that is responsible for controlling the timing and duration of fuel injection in a Multi-Point Fuel Injection (MPFI) engine is
Answer
D. Engine Control Unit (ECU)
30
Turbo lag in a turbocharged engine refers to
Answer
A. The delay in power delivery that occurs when the driver presses the accelerator
31
The purpose of a pintaux nozzle in a diesel engine is
Answer
C. To improve cold starting performance
32
In Internal combustion engines, librication oil is distributed throughtout the compoenets by means of
Answer
C. Positive displacement pump
33
The primary advantage of a dry sump lubrication system over a wet sump system is
Answer
Question Cancelled
34
The use of thermostat in IC engine cooling system is to
Answer
C. Regulate the ļ¬ow and temperature of the coolant
35
The release of burnt gases from the combustion chamber, traversing the pistons, and entering the crankcase is commonly known as
Answer
C. Blow-by
36
The function of antifreeze used in IC engine cooling system application is to
Answer
D. Raise the boiling point of the coolant and lower the freezing point
37
The battery capacity is deļ¬ned as
Answer
B. The amount of current it can deliver
38
The condition of a battery can be checked by
Answer
D. All of the above tests
39
The maintenance free battery has
Answer
B. Lead-calcium plate grid
40
The speciļ¬c gravity of electrolyte in a battery is ____________ with increase in temperature
Answer
C. Decreases
41
The battery over-charging damages the
Answer
Question Cancelled
42
In an alternator the magnetic ļ¬eld is produced at the
Answer
A. Rotor
43
The alternator output in a charging unit is controlled by
Answer
D. Voltage regulator
44
The starting motors in automobiles are
Answer
A. Series wound
45
The "Dwell" is deļ¬ned as
Answer
A. The time for which the points remains closed
46
The spark plug used in an engine having white insulator tip indicates that
Answer
A. Over advanced ignition
47
The number of ignition coils in a distributor less ignition system for a six cylinder engine is
Answer
C. 3
48
In a rotating armature type magneto ignition system the magnet is
Answer
C. Permanent
49
The metal shield in a head lamp is placed below
Answer
A. The dipper beams
50
The ļ¬ashing indicator switch is usually mounted on
Answer
A. Steering column
51
In a direction indicator, the frequency of ļ¬ashing light per minute is
Answer
C. 80
52
The tachometer in an automobile is used for
Answer
A. Indicate engine speed
53
The component that is not part of the chassis system is
Answer
B. Electrical system
54
In four wheel drive there is (are)
Answer
D. two live axles
55
The front suspension system must do the following jobs (i) Support the weight of the front end of the vehicle (ii) Maintain the steering control during severe braking (iii) Causes the pinion and diļ¬erential carrier to move upward (iv) Provide steering control and wheel alignment Which of the following is correct
Answer
C. (i), (ii) and (iv) only
56
MacPherson strut combines the shock absorber with
Answer
A. Coil spring
57
The type of steering gear box that is most widely used in passenger cars is
Answer
B. Rack and pinion
58
If the front of front wheels is inside and rear of front wheels in apart when the vehicle is at rest, it is
Answer
D. Toe-in
59
Which one of the following is required for the operation of ABS?
Answer
D. Wheel speed
60
When driver brakes , the equivalent braking force that acts as a reaction force at the centre of gravity V of the vehicle as a whole is the product of
Answer
B. Coeļ¬cient of friction times the weight force
61
In a master cylinder of a hydraulic brake system, the primary piston is the piston that is
Answer
B. Directly operated by the push rod
62
A single plate clutch has outer and inner diameters as 300 mm and 200 mm respectively. The total force acting on the friction surface is 6000 N if the coeļ¬cient of friction is 0.2, the power transmitted by the clutch at an angular speed of 300 rad/s is
Answer
Question Cancelled
63
In a friction clutch assembly the ļ¬ywheel is located between the
Answer
C. driven and driver shaft
64
In a gear set (i) Speed reduction means torque increase (ii) Torque increase means speed reduction Which one is correct
Answer
C. Both (i) and (ii)
65
In a planetary gear set the following condition provides reverse gear
Answer
A. Sun gear is turned, ring gear is driven and planet carrier is held stationary
66
The diļ¬erence in the driving angle as the rear axle moves up and down is taken care by the propeller shaft that has one or more
Answer
A. Universal joints
67
The hole in the rim for accommodating the valve for the inļ¬ation of tyre is called
Answer
D. Valve aperture
68
When underinļ¬ated , the tyre will wear the thread most
Answer
C. Near the edge
69
Utilization of gaseous fuels in I.C. Engines
Answer
D. Both (1) and (3)
70
Essential requirement of Electric Vehicle battery is
Answer
A. High Energy and power Density
71
In spark ignition engines pre-ignition means ignition of fuel
Answer
B. before the ignition by spark plug
72
In a SI engine which statement is not correct about normal combustion
Answer
D. At the completion of the after burning phase cylinder pressure reaches its maximum
73
About diesel knock in CI Engines which statement is incorrect
Answer
C. Chances of Diesel knock decreases as the ignition delay period increases
74
Phase of combustion that starts from the state of maximum cylinder pressure and ends at the point of maximum cylinder temperature in CI engine combustion is known as
Answer
A. Period of controlled combustion
75
Which is the limitation of supercharging
Answer
D. Mechanical load on the engine components increases
76
Which is the desirable property of a refrigerant to be used in automobile air conditioning system
Answer
C. Low boiling point temperature
77
Match the following (i) Heat Engines (a) Friction loss (ii) Refrigerator (b) Kelvin Planck statement (iii) Internal Energy (c) Clausius statement (iv) Reversibility (d) Point function
Answer
B. (i)-(b), (ii)-(c), (iii)-(d), (iv)-(a)
78
A closed system received heat transfer of 130 KJ and has a work transfer of 165 KJ. The change of internal energy is
Answer
C. -35KJ
79
Which of the following relation holds good for adiabatic process
Answer
D. Tā/Tā = (Vā/Vā)^(Ī³ā1) = (Pā/Pā)^((Ī³ā1)/Ī³)
80
If the compression ratio is same then
Answer
B. Thermal eļ¬ciency of Otto cycle is greater than that of Diesel cycle
81
An engine can develop power of 5 KW for a heat addition of 375 KJ/min. Highest working temperature of the engine is 935Ā°C and lowest working temperature is 130Ā°C. For this engine
Answer
B. Ī·carnot > Ī·engine
82
In a two stage reciprocating air compressor work per kg of air compressed will be minimum if
Answer
C. Work in the 2nd stage is equal to work in 1st stage
83
Which of the following statements about I.C. Engine is/are correct (i) Brake mean eļ¬ective pressure = Mechanical eļ¬ciency X Indicated mean eļ¬ective pressure (ii) Indicated thermal eļ¬ciency is less than brake thermal eļ¬ciency (iii) Morse test is done to ļ¬nd I.P. of diļ¬erent cylinders of the engine (iv) In a 2 stroke cycle internal combustion engine, power developed is one-half of that of 4-stroke cycle engine, provide other data remains same
Answer
B. Both (i) and (iii) are correct
84
In an internal combustion engine brake power is 120 KW and fuel used per hour is 15 kg, then brake speciļ¬c fuel consumption will be
Answer
A. 0.125 kg/kWh
85
Which of the following is a key responsibility of an automobile dealer regarding inventory management?
Answer
A. Ordering and replenishing spare parts and accessories
86
Chapter XII of the motor vehicles Act, 1988 deal with
Answer
C. Claims tribunals
87
According to the motor vehicles Act, 1988, what is the legal blood alcohol concentration (BAC) limit for drivers in India?
Answer
B. 30mg/100ml of blood
88
Which of the following is an advantage of using Automatic Guided vehicles (AGVs)?
Answer
D. All of the above
89
What is the most probable cause for the ļ¬uctuation between high and low readings of the intake manifold vacuum needle on an engine vacuum test
Answer
C. Blown head gasket between side-by-side cylinders
90
A wet compression test can be performed on a
Answer
B. Petrol engine
91
Assertion - A car has no brake problem but pulls to one side during braking Reason 1 - improper toe Reason 2 - worn bushing in a control arm
Answer
C. But reasons are true
92
Choose the purpose for which a shop crane is used
Answer
B. Lift the engine out of the car
93
Which of the following statement is correct (i) carriages way width includes the shoulder of road the road (ii) right of way is the area on the two sides of the road up to road land boundary reserved for road purpose (iii) right of way is the distance between building line on both sides of road (iv) shoulder is intended for accommodation of stopped vehicles, emergency use and lateral support of base
Answer
C. Both (ii) and (iv)
94
Which of the following factors primarily inļ¬uence the design of road gradient and sight distances
Answer
D. All the above
95
The friction disc of clutch is splined to the
Answer
A. transmission input shaft
96
Before dismantling the diļ¬erential, which of the following should be done?
Answer
D. All the above
97
Which type of body construction is followed in modern passenger car design
Answer
D. Monocoque
98
The amendment of motor vehicle act 1988 that authorized the use of LPG as an auto fuel
Answer
A. Amendment 2000
99
In a typical signal cycle, which phase follows the amber phase
Answer
A. red phase
100
Excessive fuel consumption in carbureted fuel system can be due to
Answer
B. High ļ¬oat level in carburetor
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