Q.67 What is the function of the main thrust bearing?
Ans. (b) Transmitting propeller thrust to the hull.
In case of thrust bearing, there is a... ... more>>
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Q.452 If a single cylinder relief valve on a diesel engine lifts frequently while the engine is running,
the cause can be
Ans. (c) an incorrectly... ... more>>
Nozzle tip will get damaged because of sulphuric acid corrosion. That is the main reason most of the
engines cooling water temperature of the nozzle ... more>>
Q. 359 The power developed by slow speed main propulsion diesel engine
depends upon the:
(a) quantity of air takes in and retains in the cylinder... ... more>>
Q. 223 The rate of pressure rise during the period following fuel ignition in a diesel engine is
influenced by the length of ignition delay period... ... more>>
The rate of opening and closing of the valve will depend upon the cam-slope. As more
steeper the cam profile, faster the rate of opening and smarter ... more>>
Q.16 The shaker, circulation, and the spray are the three general methods used in piston cooling.
As these three methods are the most effective and... ... more>>
Q.12 Gudgeon pin bearing are difficult to lubricate... ... more>>
Q.11 The lubricating oil supplied to the crankpin... ... more>>
Q.1 The precision engineering bearing inserts are manufactured with small portion of bearing ends
extending beyond the bearing housing or caps. The... ... more>>
9nppffTill that time there is overflow of oil to the suction side. By moving upwards,
depending upon the load of engine, there is relative position... ... more>>
Q.671 Which of the following statement concerning cylinder liner wear is true?
Ans. (b) Excessive liner wear causes the wear the between the piston... ... more>>
Q.649 Bearing wear on sleeve type bearing is measured with
(a) ball anvil micrometer.
(b) pair of outside caliper and dial... ... more>>
Q.576 Some diesel engines are fitted with thermometer in cooling water outlet of each
cylinder. The cooling water temperature from all ... more>>
Q.556 If cooling water flow through after cooler is interrupted the power output of a
turbocharged diesel engine will drop because the
Ans. (b)... ... more>>