29.

80.

31.

32.

33.

34.

35.

‘What is the length of a Surveyors chain?
)۵ 380 (8) கை
(0) 33m D) 66m

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
18 the height of the tie beam above the floor?

(4) ۶8 (8) 116786

(© 4548 (D) 10454 ft

The horizontal distance between the vertical joints in successive courses in brick work is
called :

(A) Perpends (B) Lap

(C) Arries (D) Closer

Knocking in a spark ignition engine is promoted by :
(ಗ) ashort flame travel length
(B) normally at the beginning of the combustion process
(C) Increased clearance volume of cylinder J
(D) reduced turbulence of the fuel-air mixture during combustion

Centrifugal pumps operating in series will result in :

(ക Higher discharge {B) Reduced power consumption
(C) Higher head (D) Low speed operation
A good refrigerant should have :

(4) High COP and high freezing point

(B) High operating pressures and low freezing point

(© High latent heat of vaporization and low freezing point
(D) High specific volume and high latent heat of vaporization

In sheet metal blanking, shear is provided on punches and dies so that :
(A) press load is reduced (B) good cut edge is obtained
(0 warping of sheet is minimised (D) cut blanks are straight

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 :

ക Hypocycloid (B) Epicycloid
(© Tnvolute @) Cycloid

139/201 6 A