| Post Name | Training Instructor(PLUMBER) - Scheduled Castes Development |
|---|---|
| Question Paper Code | 041/2026/OL |
| Category Code | 015/2025 |
| Date of Test | 7 March 2026 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
The most high risk activity in the construction sector is
Answer
C. demolition
2
___________ area of a building is the area of verandahs, passage, corrdors, balconies, porches etc.
Answer
C. horizontal circulation area
3
Which is not a type of building?
Answer
A. domestic building
4
A beam supported on more than two supports is called
Answer
A. continuous beam
5
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called _________
Answer
B. specific gravity of liquid
6
If the percentage of carbon is increased in steel, then the property which will decreased in steel will be
Answer
B. ductility
7
The representative fraction 1/1,00,000 signifies a scale of
Answer
C. 1 cm = 1 kilometre
8
Pre-stressed concrete means
Answer
B. compressive stress induced in concrete before loading
9
Granite is an example of
Answer
A. igneous rocks
10
The main principle of surveying is to work from
Answer
C. whole to the part
11
When heavy structural loads from column are required to be transferred to a soil of low bearing capacity, the most economical foundation is
Answer
A. grillage foundation
12
A brick which is cut in such a way that the width of its one end is half that of a full brick is called _________
Answer
C. king closer
13
The horizontal members of wood or steel used to support the common rafter of a sloping roof are called _________
Answer
C. purlins
14
A queen post truss is commonly used for spans
Answer
D. from 8 m to 12 m
15
Which of the following green building rating systems are currently working in India?
Answer
C. Both (1) and (2)
16
In diesel cycle fuel is supplied in ________
Answer
B. constant pressure
17
Morse test is used to find the brake power of __________ engine.
Answer
C. multi cylinder
18
The thermal efficiency of air standard diesel cycle having fixed compression ratio, with increase in cut of ratio will
Answer
C. decrease
19
The specific gravity of diesel oil is
Answer
A. 0.85
20
What will happen if petrol is used in diesel engine?
Answer
D. higher knocking will occur
21
1 ton of refrigeration equal to
Answer
C. 3.5 kj/sec
22
The saturation temperature corresponding to the partial pressure of water vapour in the air is
Answer
C. dew point temperature
23
A centrifugal pump is discharging 4500 lit/min and operates at 1800 r.p.m against a head of 35 m. The power input to the pump is 3 kW. If this pump is required to operate 1200 r.p.m assuming efficiency remains constant find discharge in lit/min.
Answer
B. 3000 lit/min
24
Which one of the following is NOT correct in respect of "V" belt drive
Answer
D. it is used where distance between driver and driven pulley is more
25
Example of a high specific speed turbine is
Answer
C. kaplan
26
Symmetrical moulds can shaped by using
Answer
D. sweep pattern
27
Soft solder is made of
Answer
A. lead and tin
28
The chip space between the back of one tooth and face of the next tooth
Answer
B. gash
29
Commonly used file format for additive manufacturing
Answer
D. .stl
30
The rotary motion from the motor converted into linear motion in CNC machine
Answer
B. ball screw
31
If N number of equal value resistors (R ohm) are connected in parallel what is the total value of resistance ________?
Answer
B. R/N Ω
32
By the current-division rule, what is the current I_R2 through R₂, where I_T is total current?
Answer
A. I_R2 = I_T R₁/(R₁+R₂) A
33
Kirchoff's current law represent ________.
Answer
B. conservation of charge
34
In a DC network how can we represent the mesh current in matrix format _______?
Answer
D. [RI][I]=[V]
35
Find the value of V2 from the below nodal voltage equations by matrix method ________? 2V1-V2-V3=2 V1+V2+2V3=1 -2V1-V2+V3=-3
Answer
D. V2=0.5V
36
What is the name of properties in magnetic circuit which is analogous to resistance in electric circuit ______?
Answer
C. Reluctance
37
The field coil of 4 pole dc generator each having 200 turns are connected in series. When the field is excited there is a magnetic flux of 0.2 web/ pole. If the field circuit is opened in 1 second and residual magnetism is 0.05 web/ pole. What will be the magnitude of average voltage is induced across the field terminal as per Faraday's law.
Answer
A. 480 V
38
What is the equation to find the value of co-efficient of coupling (k) in a magnetic circuit _______?
Answer
D. M/Ö(L1L2)
39
Form factor of a wave form is defined as the ratio of ______?
Answer
B. RMS value to Average value
40
The time taken by an alternating quantity to complete one cycle is 20 ms what will be frequency of that alternating quantity ______?
Answer
B. 50 Hz
41
An ac current is given by , what is the rms value of the current _______?
Answer
B. 20 A
42
What is the value of power factor and phase angle respectively of purely resistive circuit?
Answer
C. 1 & 0 degree
43
A resistance of 3 ohm, inductive reactance 10 ohm and capacitive reactance of 6 ohm are connected in series across 220 V, 50 Hz main supply what will be the magnitude of current flowing through the circuit _____.
Answer
A. 44 A
44
If v = V_m sin ωt is applied to an R–L series circuit, the instantaneous current i is
Answer
C. I_m sin(ωt−θ)
45
What is the relation between line voltage and phase voltage in three phase star connected system _______.
Answer
D. V_L = √3 V_ph
46
A resistor of value 47 K with 10% tolerance the sequence of colour band on the resistor would be
Answer
A. Yellow, Violet, Orange and Silver
47
A pn junction acts as a
Answer
C. Unidirectional switch
48
If the doping level of a crystal diode is increased, the breakdown voltage
Answer
B. is decreased
49
What is the voltage gain of a transistor connected in common collector arrangement?
Answer
D. less than 1
50
The random motion of holes and free electrons due to thermal agitation is called
Answer
A. diffusion
51
In the breakdown region, a zener diode behaves like a
Answer
A. Constant voltage source
52
To get a peak load voltage of 40 V out of a bridge rectifier. What is the approximate rms value of secondary voltage?
Answer
C. 28.3 V
53
In an RC coupled amplifier, the voltage gain over mid-frequency range
Answer
B. is constant
54
A transistor when connected in CE has
Answer
D. a medium input resistance and high output resistance
55
Self generating Transducers are called
Answer
A. Active
56
An Amplitude modulated wave having maximum amplitude 10 V and minimum amplitude is 5 V. Find its modulation index
Answer
C. 0.33
57
In a superheterodyne receiver, the IF is 455 kHz. If it is tuned to 1200 kHz, the image frequency will be
Answer
B. 2110 kHz
58
What is the nature of radiation pattern of an isotropic antenna?
Answer
A. Spherical
59
The switching function in GSM is managed by
Answer
B. NSS
60
Which of the following is a universally adopted shape of cell?
Answer
D. Hexagon
61
Which of the following memory types requires periodic refresh?
Answer
B. DRAM
62
The output of a C compiler before linking is called :
Answer
B. object code
63
Which of the following components are part of a microprocessor?
Answer
D. ALU + CU + Registers
64
CPU pipelining primarily improves which of the following?
Answer
B. throughput
65
Which of the following violates structured programming principles?
Answer
C. unrestricted "goto" statements
66
In C, the "sizeof" operator returns the size of a variable or data type in which units?
Answer
B. bytes
67
What is the output of the following C program? #include int main() { int x=0; if (x=0) printf("Hi"); else printf("Bye"); return 0; }
Answer
B. Bye
68
Which of the following operators in C has right-to-left associativity?
Answer
C. = (assignment)
69
Which of the following creates an infinite loop in C?
Answer
B. for(;;) {}
70
What will be the output of the following C program? #include int main() { printf("123\rAB"); return 0; }
Answer
B. AB3
71
If a local numeric array in C is partially initialized, then the remaining elements are
Answer
D. 0
72
Which is correct about array name in C?
Answer
B. it is a constant representing base address
73
What value does strlen("Hello\0World") return in C?
Answer
D. 5
74
What happens in C if an array is associated with an index that exceeds its bounds?
Answer
C. undefined behaviour
75
After completing one full pass of bubble sort on the array {4, 3, 2, 1}, what is the resulting array?
Answer
A. {3, 2, 1, 4}
76
A body with a mass of 8 kg is initially at rest. A force is applied to it and its velocity becomes 54 km/hr. What is the impulse applied to the body?
Answer
C. 120 Ns
77
Fill in the blanks Terminal velocity is the constant velocity at which the sum of the upward (i) _________ and (ii) _________ becomes equal to the downward force due to gravity. The acceleration at terminal velocity is (iii) _________
Answer
B. (i) viscous force, (ii) buoyant force, and (iii) zero
78
Which of the following are properties of laser beam? (i) polychromaticity (ii) coherence (iii) monochromaticity (iv) high divergence (v) directionality
Answer
A. (ii), (iii), (v)
79
In a parallel circuit, what happens to the current as more resistors are added?
Answer
A. the current increases
80
What is the reason that electric field lines cannot intersect each other?
Answer
B. the intersection of electric field lines would mean that the electric field has two different direction at that point, which is not possible
81
Which of the following statements are CORRECT about the magnetic field at the centre of a circular loop. (i) The magnetic field at the centre of a circular loop is directly proportional to the current through the loop. (ii) The magnetic field at the centre of a circular loop is inversely proportional to the radius of the loop. (iii) The direction of the magnetic field at the centre of a circular loop can be determined by using the left hand thumb rule. (iv) The magnetic field at the centre of a circular loop is inversely proportional to the current through the loop.
Answer
D. (i) and (ii)
82
Two parallel wires, each carrying a current of 1 A, are separated by a distance of 2 m in vacuum. What is the force per unit length between the wires?
Answer
B. 10⁻⁷ N/m
83
How does the specific heat capacity of a material affect its ability to store heat?
Answer
B. A material with a high specific heat capacity can store more heat energy than a material with a low specific heat capacity
84
What are the three regions of a bipolar junction transistor?
Answer
A. Emitter, collector and base
85
Which of the following statements are the conditions required for total internal reflection phenomenon? (i) The light must propagate from rarer medium to denser medium (ii) The angle of incidence in the denser medium must be greater than the critical angle (iii) The light must propagate from denser medium to rarer medium (iv) The angle of refraction should be 90°
Answer
C. (ii) and (iii)
86
If Aᵀ and Bᵀ are the transposes of A and B, respectively, select the correct option for: (i) (Aᵀ)ᵀ=A; (ii) (A+B)ᵀ=Aᵀ+Bᵀ; (iii) (AB)ᵀ=AᵀBᵀ.
Answer
C. Only (i) and (ii) are true
87
The inverse of [[3, 0], [4, 1]] is ______
Answer
C. [[1/3, 0], [−4/3, 1]]
88
The matrix is __________
Answer
B. a skew-symmetric matrix
89
Sin 2A = _________
Answer
C. 2 Sin A Cos A
90
The value of sin(π/2) is
Answer
A. 1
91
cos 33 + cos 147 = ________
Answer
C. 0
92
Which is a unit vector in the direction of the vector 2î + 2ĵ − k̂?
Answer
B. (1/3)(2î + 2ĵ − k̂)
93
Sum of the vectors î + ĵ and ĵ − k̂ is ______
Answer
D. î + 2ĵ − k̂
94
What is the work done in moving an object along the vector by the force
Answer
A. 18 units
95
lim_(θ→0) [sin(3θ)/sin(2θ)] =
Answer
D. 3/2
96
What is the derivative of log (x²) with respect to x
Answer
B. 2/x
97
The second derivative of 3x² with respect to x is ______
Answer
A. 6
98
The area under the straight-line y = 2x + 3 bounded by the x axis and the ordinates at x = 0 and x = 1 is _________
Answer
B. 4 square units
99
What is the degree of the differential equation
Answer
A. 2
100
∫₀^(π/2) cos x dx = ______
Answer
D. 1
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