Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'MECHANICAL ENGINEERING' And exam conducted in the year 2015. And Question paper code was '078/2015'. 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.
78/2018 (78665 : 6)
imum : 200 marks
Time : 1% hours
PARTI
Answer ALL questions. Answer in one word or a sentence.
Questions 1 to 80 carry 4 marks each.
Which one of the following cast irons consists of carbon in rosette form?
(ഭു White cast iron (b) Gray eastiron
(¢) Malleable cast iron (d) Nodular മേട iron
The specific speed of a centrifugal pump depends on the
(ख) Speed and discharge (४) Discharge and power developed
(¢) Speed and head of water (d) இலம் discharge and head of water
The annual load factor and the capacity factor in a power plant 15 0.6 and 0.5 respectively.
The average energy consumption is 876 MWh. The reserve capacity of the plant is
(a) 66.66 kW ൽ (b) 133.33 kW
(9 33.38 एण (6) 166.66 kW
Match the following metal forming processes with their associated stresses in the work piece.
Metal forming process Type of force
Iy Wire drawing (1) Compressive force
01 Blanking (2) Tensile force
(111) Extrusion (3) Shear force
(IV) Bending (4) Spring back force :
(@) 1-1,1]-3, 11-4, 17 - 2 को 1-92, 11-8, 111 - 1,1۷7 - 4
(¢) 1-2,11-3, 121-41۷ -1 (व) 1-37-4. ा- 1.7४ -2
In a gating system the ratio 1 : 2 : 4 represents
(a) Sprue base area: runner area: ingate area
{b) Pouring basin area : runner area: ingate area
(¢) 5 base area: ingate area: casting area
(d) Runner area: ingate area: casting area
7.7.0.]