26
Centre of gravity of a right circular cone of base radius r and height h from the base is:
Answer
B. ¼ h
27
What is the maximum weight that can be lowered by a person who can exert a 500 N pull on a rope if the rope is wrapped 2 ½ turns around a horizontal spur? Coefficient of friction between spur and rope is 0.3:
Answer
D. 55659 N
28
What is the length of a Surveyors chain?
Answer
B. 66 ft
29
R.L of a factory floor is 100.00. Staff reading on the floor is 5.62 ft, and the staff reading when the staff is held inverted with bottom touching the tie beam of the roof truss is 10.16 ft. What is the height of the tie beam above the floor?
Answer
A. 15.78 ft
30
The horizontal distance between the vertical joints in successive courses in brick work is called:
Answer
B. Lap
31
Knocking in a spark ignition engine Is promoted by:
Answer
D. reduced turbulence of the fuel-air mixture during combustion
32
Centrifugal pumps operating in series will result in:
Answer
C. Higher head
33
A good refrigerant should have:
Answer
C. High latent heat of vaporization and low freezing point
34
In sheet metal blanking, shear is provided on punches and dies so that:
Answer
A. press load is reduced
35
A curve generated by a fixed point on the circumference of a circle which rolls without slipping on the outer side of a fixed circle is known as:
Answer
B. Epicycloid
36
Direction of dynamically induced EMF can be found by:
Answer
B. Flemings Right Hand rule
37
Form factor of sinusoid ally varying alternating current is:
Answer
B. 1.11
38
In a Delta connected three phase supply system phase current is given by:
Answer
D. 1/√3 times line current
39
Earth wire is usually connected to ........... part of the electric heater.
Answer
A. Metallic body
40
Which of the following DC Motor gives highest No-load speed?
Answer
C. Series motor
41
The BJT used in an oscillator circuit is biased in ................. region.
Answer
A. Active
42
The ripple factor of a capacitor filter ‘C’ connected to the output of a full-wave rectifier with input line frequency ‘ f ’ Hz and load resistance ‘RL’ is:
Answer
B. 1 / 4√3fRLC
43
The bandwidth of wide band frequency modulated wave as per Carson’s rule is:
Answer
C. BT ≈ 2(D+1)W
44
For a voltage shunt negative feedback amplifier using operational amplifier, select the TRUE statement:
Answer
A. Input impedance decreases and output impedance decreases
45
The type of negative feedback introduced in the Common Emitter amplifier using voltage divider bias network when the bypass capacitor is removed:
Answer
D. Current series
46
The CPU gets the address of the next instruction to be executed from the:
Answer
C. Program Counter
47. What is the value of b at the end of execution of the following C program?
int add(int a)
{
static int count = 0;
count = count + a;
return (count);
}
main()
{
int a, b;
for (a=0; a<=4; a++)
b = add(a);
}
(A) 10
(B) 12
(C) 4
(D) 6
Answer: A
48. What will be the output of the following C program segment?
int n=1;
switch (n)
{
case 1: printf(“One”);
case 2: printf(“Two”);
case 3:
case 4:
case 5:
default: printf(“Wrong Choice”);
}
(A) One
(B) One Two Wrong Choice
(C) Two
(D) One Two
Answer: B
49
The default parameter passing mechanism of functions is:
Answer
A. Call by value
50. What is the output of this C code?
#include <stdio.h>
int main()
{
do
printf(“lnside while loop”);
while(0);
printf(“After while loop”);
}
(A) Infinite loop
(B) Compilation error
(C) After while loop
(D) Inside while loop After while loop
Answer: D
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