The length of shell of a Locomotive boiler is

The shell diameter and length of locomotive boiler are

A

1.5 m, 4 m

B

1.5 m, 6 m

C

1 m, 4 m

D

2 m, 4 m

The shell diameter of a Locomotive boiler is

A

1 m

B

1.5 m

C

2 m

D

2.5 m

In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at

A

45° to each other

B

90° to each other

C

120° to each other

D

180° to each other

A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

A

Blow off cock

B

Fusible plug

C

Stop valve

D

Safety valve

A thin spherical shell of internal diameter d is subjected to an internal pressure p. If $${\sigma _{\text{t}}}$$ is the tensile stress for the shell material, then thickness of shell is equal to

A

$$\frac{{{\text{pd}}}}{{{\sigma _{\text{t}}}}}$$

B

$$\frac{{{\text{pd}}}}{{2{\sigma _{\text{t}}}}}$$

C

$$\frac{{{\text{pd}}}}{{3{\sigma _{\text{t}}}}}$$

D

$$\frac{{{\text{pd}}}}{{4{\sigma _{\text{t}}}}}$$

In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger.

A

Once

B

Twice

C

Thrice

D

Four times

In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

A

3-5

B

5-11

C

8-15

D

12-18

The fire tubes in a Locomotive boiler has __________ diameter.

A

4.75 mm

B

5.47 mm

C

7.45 mm

D

47.5 mm

Locomotive boiler tubes are made of __________ alloys.

A

Arsenic copper

B

Magnesium

C

Aluminium

D

Nickel

Locomotive boiler is of the following type

A

Multi tubular

B

Horizontal

C

Internally fired

D

All of the above

The length of shell of a Locomotive boiler is

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