The fact that how closely the instrument reading follows the measured variables is termed as
A.Fidelity
B.Accuracy
C.Threshold sensitivity
D.Precision
E.Hysteresis
Category: Production Engineering Mcqs
In a cupola the raw material is
A.Pig iron and iron scrap
B.Iron ore
C.Cast steel
D.Steel ingots
E.Steel billets
In drilling operation if the drill point is outside the drill axis, the effect on the drilled hole will be
A.The hole will become too large
B.The hole will become elliptical
C.The drilled hole will be normal
D.The hole will be rough
E.The hole will be smooth
The tool signature comprises
A.5 elements
B.6 elements
C.7 elements
D.8 elements
E.9 elements
Choose the incorrect statements. A coolant should be
A.Good lubricant
B.Light in weight
C.Transparent
D.Harmless to operator and machine
For cutting mild steel the cutting angle of a chisel should be
A.55?
B.60?
C.70?
D.75?
E.35?
Specific temperature for the international Prototype metre is
A.Atmospheric
B.Melting point of ice
C.0?C
D.0?F
E.0?K
Spiral flutes are provided on drill bits to
A.Help from the cutting edge of the drill point
B.Curl the chip tightly for easier removal
C.Provide passage for coolant supply
D.All of the above
E.None of the above
In a machining operation on free cutting mild steel the cutting speed is mentioned as 70 m/min. What should be material of cutting tool
A.Carbon steel
B.High speed steel
C.Carbide
D.Diamond
E.Wood
Which of the following statements correct?
A.Rockwell scale B in used for hard metals
B.Rockwell scale C is used for hard metals
C.Rockwell scale C is used for soft metals
D.Rockwell scale A is used for hard metals
