Volume of an cone of base diameter D and height h is

Area of an equilateral triangle of base 10 cm is

Cos (90° - A)

Cos 30º =

If x² + 1= 10 then x =

if A/B = 2/3 and B/C = 5/7 then A:B:C is =

25 % of 200 =

If (1/x) = (1/3) + (1/2) then x =

The centre of gravity of an equilateral triangle with side 'a' is ---------- from any of the three sides

Unit of power is

Unit of acceleration is

Velocity of a body is

Mass of a body is

Case hardening is done by

Pig iron is manufactured by

Bearing metal is the composition of

H.S Steel contain tungsten, chromium and vanadium in the ratio

An operation of producing an external conical surface is known as

Drilling is an operation of

In shaper the metal is removed during

The lathe centres are provided with standard taper known as

In bilateral system of tolerance the tolerance allowed is

The gib head is provided in gib head key to facilitate

Welding is --------- type of fastening

In a Butt riveted joint the edges of main plates to be connected

Riveting is

For a hexagonal nut, size across corner

Development of right circular cone is

Parabola is a conic section having

The property of materials by which it can be drawn, beaten or rolled in to plates is called

Bulking is

Laterite is -------- a rock

The geological classification of marble is

A ladder resting on the ground and leaning against a smooth vertical wall, the force of friction at the upper end is

The center of gravity of right circular cone lies in its axis of asymmetry at a height of

A smooth cylinder lying on a concave surface remains in

The law which states that within elastic limit strain produced is proportional to stress producing it is known as

Floor area of building equal to

The step having curved riser and tread known as

In the rise and fall method of reduction of level, there is no check on

Tera cotta is essentially

Cowl is provided at

In ordinary buildings the damp proof course is generally provided at

Compared to mild steel cast iron has 

1. High compressive strength 

2. High tensile strength 

3. Low compressive strength  

4. Low tensile strength

The preparation of surfaces of stone to obtain required size and shape is known as

If the staff is not held vertical at a leveling station the reduce level calculated from the observation be

A level line is a

The principle of working from whole to part is used in surveying because

The vertical members fixed between steps and handrails are known as

The vertical side member of shutter frame is known as