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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Accompalish

B Acomplush

C Ackmplesh

D Accomplish

Q2: In a petrol engine, the charge is ignited with the help of a spark plug.

A Yes

B No

Q3: Reflector in nuclear power plants __________ neutron leakage.

A increases

B decreases

C have no effect on

Q4: Number of working strokes per min. for a two stroke cycle engine are __________ the speed of the engine in r.p.m.

A one-half

B twice

C equal to

D four-times

Q5: The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to

A inject fuel in a chamber of high pressure at the end of compression stroke

B inject fuel at a high velocity to facilitate atomisation

C all of the above

D ensure that penetration is not high

Q6: A two stroke cycle engine occupies larger floor area than a four stroke cycle engine.

A No

B Yes

Q7: The indicated mean effective pressure of an engine is obtained from the indicator diagram drawn with the help of an engine indicator.

A True

B False

Q8: A fuel of cetane number 40 has the same ignition quality as a mixture of

A 40% diesel and 60% petrol

B 40% alpha methyl napthalene and 60% cetane

C 40% cetane and 60% alpha methyl napthalene

D 40% petrol and 60% diesel

Q9: The two reference fuels used for cetane rating are

A cetane and normal heptane

B cetane and iso-octane

C cetane and tetra ethyl lead

D cetane and alpha-methyl naphthalene

Q10: In petrol engines, the delay period is of the order of

A 0.004 second

B 0.001 second

C 0.002 second

D 0.003 second