Machine Design (2171909) MCQs

MCQs of IC Engine Components

Showing 31 to 34 out of 34 Questions
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31.

The popular material used for crankshaft is________.

(a)

plain carbon steels 
(b)

alloy steels
(c)

plain carbon steels and alloy steels
(d)

none of the mentioned
Answer:

Option (c)

32.

If no reboring allowance is to be given, then the thickness of the cylinder wall is maximum pressure is 3.5N/mm², bore diameter = 200mm and permissible tensile stress is 40N/mm².

(a)

7mm
(b)

8mm
(c)

9mm
(d)

10mm
Answer:

Option (c)

33.

If the diameter of the cylinder of the bore is 120mm, the thickness of the cylinder will be

(a)

Information not sufficient
(b)

7mm
(c)

12mm
(d)

6mm
Answer:

Option (b)

34.

If the diameter of the cylinder bore is 120mm, then the thickness of the dry liner will be

(a)

2.2mm
(b)

4.8mm
(c)

3.6mm
(d)

6mm
Answer:

Option (c)

Showing 31 to 34 out of 34 Questions
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