220/23

67.

68.

69.

70.

71.

72.

73.

74.

75.

Which among the following is a limitation of sand casting ?
A) Economical for low-volume production

B) Extreme complexity is possible

C) Most direct route from pattern to casting

D) The product gives a rough surface

Pump is used for increase the pressure in
A) Pipe lines B) Section pipe C) Vent pipe D) Hume pipe

Select the Reciprocating pumps are following

A) Simple hand operated B) Single acting

C) A) and B) D) Centrifugal mono block
Compressed air pump can lift water from a depth of meter.
A) 50 B) 100 C) 130 D) 150

Priming is a process of filling up water in the
A) Casing B) Suction pipe
C) Casing and suction pipe D) None of these

What are the main components of a centrifugal pump ?
A) Impeller B) Prime mover
C) Delivery pipe D) A), B) and C)

In a vernier caliper, movable jaws are the parts of which unit ?
A) Fixed jaw B) Vernier slide
C) Beam D) Main scale

In which part of micrometer one end forms measuring face and the other end is
threaded and the tapered nose is fitted on it ?

A) Ratchet stop B) Barrel C) Spindle D) Thimble

Which instrument is used to measure sizes from the lower plane with the help of
an offset scriber ?

A) Vernier height gauge B) Vernier scale
C) Vernier caliper D) Depth micrometer

-12-