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OFB Chargeman Mechanical 2014
108

OFB Chargeman Mechanical Question Paper - 2014 with Answer Key

108) In griding operation, for grinding softer materials

Coarser grain size is used

Fine grain size is used

Medium grain size is used

Any grain size may be used

Answer is:

Coarser grain size is used

In griding operation, for grinding softer materials

OFB Chargeman Mechanical Question Paper - 2014 with Answer Key

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Related OFB Chargeman Mechanical Question Paper - 2014 with Answer Key

109) Abrasive used for grinding ceramics and tungsten carbide is

Diamond

Aluminium oxide

Silicon carbide

Boron carbide

Answer is:

Diamond

110) The work measurement is done by means of

Planning chart

Process chart

Gantt chart

Stop watch

Answer is:

Stop watch

The work measurement is done by means of

111) The process of improving cutting action of a grind wheel is called

Dressing operation

Truing operation

Cutting operation

Facing operation

Answer is:

Dressing operation

112) Crack is developed in grinding wheel due to

Generation of heat

High speed

Slow speed

Hard work piece

Answer is:

High speed

OFB Chargeman Mechanical Question Paper - 2014 with Answer Key

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