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171.

A four wheel drive has

A.	no differential	B.	differential on rear side only
C.	differential on front side only	D.	both front as well as rer differentials

172.

In case the clutch of a tractor slips, the probable cause cannot be

A.	high engine speed	B.	worn out clutch plates
C.	weak or broken pressure springs	D.	misalignment of plates

173.

Which one of the following does not form a part of the specification for steel wire rope?

A.	Length	B.	Lay
C.	Material of core	D.	Surface finish

174.

A 6 x 7 steel wire rope indicates

A.	The rope has six strands and each strand is composed of seven wires	B.	the rope has six wires and each wire has seven strands
C.	The rope has 6 mm mean diameter and 7 mm outer diameter	D.	The core wire has 6 mm diameter and it is covered by seven strands

175.

If a pump is operating at 100 rpm, it should be a

A.	centrifugal pump	B.	rotory pump
C.	reciprocating pump	D.	sliding vane type pump

176.

A 7.5 cu.m scraper working on a 150 m haul is expected to give an output of approximately

A.	1 cu-m/hr	B.	5 cu-m/hr
C.	10 cu-m/hr	D.	100 cu-m/hr

177.

A 90 HP tractor dozer working on a dozing distance of about 60 m will give an output of about

A.	4 cu-m/hr	B.	40 cu-m/hr
C.	400 cu-m/hr	D.	4000 cu-m/hr

178.

The fuel consumption of a diesel engine per BHP per hour is nearly

A.	100 cc	B.	200 cc
C.	300 cc	D.	400 cc

179.

The expected life of a wheeled tractor is nearly

A.	1 year	B.	2 to 3 years
C.	5 to 6 years	D.	8 to 10 years

180.

The expected life of a light commercial vehicle is nearly

A.	50,000 km	B.	150,000 km
C.	250,000 km	D.	350,000 km