Holes for rivetting purposes should be preferably made by

Holes in a plate for rivetted joints is preferably made by

A

Drilling

B

Tapping

C

Reaming

D

Punching

What does the underlined word mean in the following sentence?The old man's house, badly in need of paint, was leaning to one side and had holes in the roof, but one side and had holes in the roof, but

A

poorly built

B

old-fashioned

C

run down

D

dirty

An intrinsic semiconductor has some holes in it at room temperature. What causes these holes?

A

Doping

B

Valence electrons

C

Free electrons

D

Thermal energy

E

None of the above

An instrument to be used for measurement and control should preferably have

A

Dead zone and dead time

B

Linear output and fast response

C

Non-linear output

D

A highly damped response

Which of the following sections should preferably be used at places where torsion occurs?

A

Angle section

B

Channel section

C

Box type section

D

Any of the above

Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

A

10° to 30°

B

30° to 40°

C

40° to 70°

D

90°

Borrow pits should preferably be located in

A

Field on the left side of the canal

B

Field on the right side of the canal

C

Fields on both sides of the canal

D

Central half width of the section of the canal

A raingauge should preferably be fixed

A

near the building

B

under the tree

C

in an open space

D

in a closed space

Air intake for an air compressor should be preferably taken from

A

A site, where cooling towers are located nearby

B

A site, where open coal yard in located nearby

C

An air conditioned room maintained at a temperature of 18°C

D

An outside atmosphere at 10°C

High pressure fluid in a shell and tube heat exchanger should preferably be routed through the

A

Tubes to avoid the expansion of high pressure shell construction

B

Shell side for smaller total pressure drop

C

Shell side, if the flow is counter-current and tube side if the flow is co-current

D

Shell side for large overall heat transfer co-efficient

Holes for rivetting purposes should be preferably made by

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