Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'DRAUGHTSMAN GRADE II (MECHANICAL) in KEAEC Ltd and OVERSEER/ DRAFTSMAN (MECHANICAL) GRADE II in PWD/ Irrigation' And exam conducted in the year 2021. And Question paper code was '066/2021'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
066/21
41. The sequence of working stroke takes place in a multi cylinder engine is called
A) Crank throw B) Cycle
C) Mean effective pressure D) Firing order
42. The cold starting device of a petrol engine is called
A) Choke B) Glow plug
C) Ignition coil D) Spark plug
43. Ina petrol engine speed ratio of engine cam shaft and distributor shaft is
A) 1:2 B) 1:4
C) 2:1 D) 1:1
44. Which type valves are used in air compressor ?
A) Reed valve B) Sleeve valve
C) Rotary valve D) System protection valve
45. The part which convert hydraulic power in to liner force or motion by
A) Check valve B) Flow control valve
0) NRV D) Actuators
46. What are the reasons of blow by gases ?
A) Worn out cam journals and bearings
B) Worn out valve face and stem
C) Worn out piston rings and cylinder wall
)
D) Damaged head gasket and seals
47. Ina diesel cycle, engine combustion takes place at
A) Constant pressure B) Constant volume
C) Constant temperature D) Constant entropy
48. Which among the following engine gives better balancing and more uniform torque ?
A) Radial engine B) In-line engine
C) Square engine D) Opposed engine
A -8-