The reflectivity depends upon All of these Energy of neutrons Properties of the reflector Geometry of the reflector TRUE ANSWER : ? YOUR ANSWER : ?
In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere TRUE ANSWER : ? YOUR ANSWER : ?
The cetane (Câ‚₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 100 120 50 TRUE ANSWER : ? YOUR ANSWER : ?
The process of breaking up or a liquid into fine droplets by spraying is called Atomization Vaporisation Ionization Carburetion TRUE ANSWER : ? YOUR ANSWER : ?
The firing order in an I.C. engine depends upon Design of crankshaft Arrangement of the cylinders All of these Number of cylinders TRUE ANSWER : ? YOUR ANSWER : ?
The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is More Same Less Less or more depending on operating conditions TRUE ANSWER : ? YOUR ANSWER : ?
A diesel engine is ___ as compared to petrol engine, both running at rated load. More efficient Equally efficient Less efficient None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
A spark plug gap is kept from 0.6 to 1.0 mm 0.2 to 0.8 mm 0.3 to 0.7 mm 0.4 to 0.9 mm TRUE ANSWER : ? YOUR ANSWER : ?
If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) TRUE ANSWER : ? YOUR ANSWER : ?
If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then the propulsive efficiency of a rocket is given by (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) TRUE ANSWER : ? YOUR ANSWER : ?