HAL Aeronautical Engineering Question Papers 2016

HAL Aeronautical Engineering Question Papers 2016.

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Aeronautical Engineering
1. Air Fuel ratio in a jet engine will be of the order of:
(a) 10:1 (b) 15:1
(c) 20:1 (d) 60:1

2. Fighter bombers use following type of engine:
(a) Turbo-jet (b) Turbo-propeller
(c) Rocket (d) Ram-jet

1. Least shrinkage allowance is provided in the case of following:
(a) Brass (b) Aluminium
(c) Cast Iron (d) Steel

2. If V is the volume of metal in a casting and A its surface area, the time of solidification will be
proportional to:
(a) V, 1/A (b) V,1/A2
(c ) V2 ,1/A (d) V2, 1/A2

3. Fire tube boilers are limited to a maximum design working pressure of :
(a) 1 kg/cm2 (b) 6 kg/cm2
(C) 17 kg/cm2 (d ) 100 kg/cm2