The chemical used in generating acetylene is
A.Carbon
B.Charcoal
C.Crushed bone
D.Calcium carbonate
E.Calcium carbide
Category: Production Engineering Mcqs
Taper gererally used in lathes now-a-days is
A.Brown and sharpe
B.Morse
C.Jarno
D.Parkinson
E.None of above
In order to lower the cutting forces and also to decrease the cutting wear, alloying element generally added to steel for free machining is
A.Manganese
B.Lead
C.Chromium
D.Aluminium
E.Sulphur
The primary detector in a pressure gauge is usually
A.Bellows
B.Diaphragm
C.Spring
D.Coil spring
E.Bourdon tube
For the measurement of temperature the transduction method could be
A.Electron tube
B.Inductive
C.Capacitive
D.Piezo-electric
E.Resistance
In instrumentation, registering is
A.Production of continuous record on an instrument
B.Conversion of signal from one form to another
C.Indication by numbers or some other symbol of discrete increments, the value of some quantity
D.To perform various manipulations before indicating or recording results
E.None of the above
Which one of the following materials will have highest cutting speed?
A.Cast iron
B.Tool steel
C.Brass
D.Bronze
E.Aluminium
The important factor to be considered while selecting a bearing is
A.Applied load
B.Operating speed range
C.Required bearing capacity
D.All of the above
E.None of the above
The included angle of a lathe centre is generally
A.15?
B.22
C.30?
D.45?
E.60?
The surface speed of grinding wheel in case of centreless grinding is
A.15 – 75 M/min
B.100 – 500 M/min
C.500 – 800 M/min
D.1000 – 1500 M/min
E.1500 – 1800 M/min
