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321.

Maximum gear ratio can be expected in case of

322.

The number of degrees of accuracy in case of gears is

323.

In which of the following gears the lowest degree of accuracy can be expected

A.	Automobile gears	B.	Aeroplane gears
C.	Reduction gears for turbines	D.	Farm machinery
E.	Machine tools

324.

Which of the following equipment operates at higher speeds as compared to the remaining?

325.

The selection of material for gears depends on

A.	Peripheral speed	B.	Type of service
C.	Required dimensions and weight of the drive	D.	Shock and wear resistance
E.	All of the above

326.

Non-metallic gears have

A.	Low noise at higher speeds and low load carrying capacity	B.	High noise at higher speeds and high load carrying capacity
C.	Low noise at higher speeds and high load carrying capacity	D.	Cannot be operated at higher speed.

327.

Stub teeth are provided on gears

A.	For high velocity ratios	B.	Low noise
C.	Large power transmission	D.	Improved capability to withstand shock and vibrations
E.	All of the above

328.

Miter gears are

A.	Spur gears with same number of teeth	B.	Helical gears with same number of teeth
C.	Right angled bevel gears with same number of teeth	D.	Gears with different profiles
E.	Stepped spur gears

329.

For very heavy loads which of the following gear tooth profile will be preferred?

330.

Stub tooth

A.	Has a profile which is cycloidal at the base and involutic at the top	B.	Has a profile which is involutic at the base and cycloidal at the top
C.	Is provided on racks only	D.	Has a profile shorter than the standard tooth
E.	Has a profile longer than the standard tooth