Engineering :: Machine Design

@ : Home > Mechanical Engineering > Machine Design

221.

When both pinion and gear are made of the same material, then from the design point of view

A.	Pinion is the determining factor	B.	Gear is the determining factor
C.	Any one of the two may be taken as determining factor	D.	Criteria is strength of any one of the teeth
E.	None of the above

222.

When it is desired to transmit a high velocity ratio in a limited space, the device used is

A.	Worm and worm wheel	B.	Bevel gears
C.	Helical gears	D.	Noone of the above

223.

Yield point in static loading as compared to that in fatigue loading is

A.	Lower	B.	Same
C.	Higher	D.	Depends on composition of material
E.	Depends on loading rate

224.

For steel ultimate strength in tension compared to that in shear is

225.

If the stress at elastic limit is Se, then the modulus of resistance is proportional to

226.

Spring driven watches and clocks utilise

227.

An involute gear should have minimum of

228.

All the dimensions for a standard system of interchangeable gears can be defined in terms of

A.	Addendum and dedendum	B.	Pressure angle and pitch
C.	No of teeth and pitch circular diameter	D.	Diametral pitch and circular pitch
E.	Module

229.

A rack is a gear

A.	With infinite number of teeth	B.	With infinite module
C.	With infinite pitch circle diameter	D.	With infinite diametral pitch
E.	With infinite circular pitch

230.

For design purpose a spur gear tooth is considered

A.	As a cantilever	B.	As vital component in analysis
C.	As a rough surfacerubbing with another rough surface	D.	Proped beam
E.	None of the above