CEPTAM STA Automobile Engineering Question Paper
STA Automobile Engineering CEPTAM Model Exam Paper
DRDO CEPTAM STA Automobile Engineering Sample Question Paper
CEPTAM 10 Senior Technical Assistant online application will start from 3rd Sept 2022. You may apply for the same on or before 23rd Sept 2022.
1. Which of the following symptom is caused as a result of brake disc run out?
(a) Ineffectiveness of the brackes
(b) Judder during braking
(c) Localized wearing of the brake pads
(d) Rapid wearing of the brake pads
2. If the engine coolant leaks into the engine oil, then engine oil
(a) Appears milky
(b) Becomes foamy
(c) Turns black
(d) None of these
3. The torque available at the contact between driving wheels and road is known as
(a) Brake effort
(b) Tractive effort
(c) Clutch effort
(d) None of these
4. The oil pump is driven by the
(a) Camshaft
(b) Alternator shaft
(c) Crankshaft via drive belt
(d) Crankshaft directly
5. The petrol engines are also known as
(a) Spark ignition engines
(b) Compression ignition engines
(c) Steam engines
(d) None of these
6. The cetane rating of Diesel fuel is in the order of
(a) 90
(b) 45
(c) 70
(d) 25
7. If the air fuel mixture in a spark ignition engine is too rich, then air fuel ratio is about
(a) 13:1
(b) 17:1
(c) 15:1
(d) 10:1
8. The natural gas is compressed in a CNG cylinder at a pressure of
(a) 300 bar
(b) 200 bar
(c) 220 bar
(d) 250 bar
9. The aluminium alloy is used in cylinder blocks because
(a) It is lighter and have good heat dissipation characteristics
(b) Material cost is low
(c) It does not require any cylinder liners
(d) The piston is also made of aluminium alloy
10. What type of bearing is used for main bearings and connecting rod bearings?
(a) Ballbearings
(b) Plain bearings
(c) Needle roller bearing
(d) Taper roller bearing
Ans- 1 (b) 2 (a) 3 (b) 4 (d) 5(a) 6(b) 7(d) 8 (b) 9(a) 10 (b)
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