Question Set 188

21.

Euler's formula for a mild steel column is not valid if the slenderness ratio is

Answer: Option A

22.

The standard length of the shaft is

Answer: Option D

23.

According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by

A.	equating tearing resistance of the plate to the shearing resistance of the rivets
B.	equating tearing resistance of the plate to the crushing resistance of the rivets
C.	equating shearing resistance to the crushing resistance of the rivets
D.	none of the above

Answer: Option D

24.

When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

A.	have contact at the bottom most of the bearing
B.	move towards right of the bearing making the metal to metal contact
C.	move towards right of the bearing making no metal to metal contact
D.	move towards left of the bearing making metal to metal contact

Answer: Option D

25.

A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as

Answer: Option A

26.

When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as

Answer: Option D

27.

A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called

A.	zero film bearing
B.	boundary lubricated bearing
C.	hydrodynamic lubricated bearing
D.	hydrostatic lubricated bearing

Answer: Option D

28.

In case of pressure vessels having closed ends, the fluid pressure induces

Answer: Option D

29.

A machine part subjected to __________ is called a strut.

Answer: Option B

30.

The yield point in static loading is __________ as compared to fatigue loading.

Answer: Option A