Mechanical

Surface plate is used to check the trueness of flat surfaces.

• True

• False

The accuracy of micrometers, calipers, dial indicators can be checked by a

• 
  feeler gauge

• 
  slip gauge

• 
  ring gauge

• 
  plug gauge

A taper provided on the pattern for its easy and clean withdrawl from the mould is known as

• machining allowance

• draft allowance

• 
  shrinkage allowance

• 
  distortion allowance

In a Kaplan turbine runner, the number of blades are generally between

• 
  2 to 4

• 
  4 to 8

• 
  8 to l6

• 16 to 24

The portion of a crankshaft which rests on cylinder block is called main journal.

• 
  Yes

• No

The motion of the cam is transferred to the valves through

• 
  pistons

• 
  rocker arms

• camshaft pulley

• 
  valve stems

In inventory control theory, the economic order quantity is

• 
  average level of inventory

• 
  optimum lot size

• capacity of a warehouse

• lot size corresponding to break-even analysis