Kerala PSC Previous Years Question Paper & Answer
Page:8
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN CHEMICAL ENGINEERING POLYTECHNICS KERALA TECHNICAL EDUCATION' And exam conducted in the year 2015. And Question paper code was '024/2015'. 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.
89.
60.
61.
62.
63,
64.
65.
To avoid cavitation, the pressure at the pump inlet must exceed the vapour pressure by a
certain value called :
(ಯ) Net Pump Suction Head (B) Net Power Suction Head
(C) Net Positive Suction Head (D) Net Pressure Suction Head
The coefficient of velocity, C, for an orifice is given by :
ച്ച عقلاےم
வ டு ञ्च B ಲೃ ക
(0 ടോ @) گے وت
"` ब्त മ്
A bed consists of particles of density 2000 kg/m®. If the height of the bed 15 1.5 m and its
porosity is 0.4, the pressure drop required to fluidize the bed 18 :
(മ 25.6kPa (B) 11.77kPa
(C) 14.86kPa (D) 21.13kPa
Water flows through an orifice of 25 mm diameter situated in a 76 mm pipe at the rate of
300 611318, What will be the difference in level in a water manometer connected across the
meter? Given coefficient of discharge C, = 0.61, viscosity of water=1mNs/m® :
(ಯ 8 2 70
(©) 908 യ) 110೫
Quick sand is a :
(ക) bingham plastic (3) pseudo plastic
(C) newtonian fluid (D) dilatant
Diaphragm pumps are used for :
(¢) low pressure (B} high pressure
(0 toxic or corrosive (7) none of these
Which one of these is the commonly used final control element?
(A) Orifice plate (B) Dall flow tube
(C) Thermistor (D) Pneumatic valve
Manometers are used to measure :
(ക) 10% pressure (B) high pressure
(0) low or high pressure (D) all of the above
24/2015 10 A
