FINAL ANSWER KEY

Question Paper Code: 144/2013

Exam: Assistant Engineer (Civil) SR from SC/ST Only
Medium of Question: English

Date of Test 07-09-2013

Alphacode A

Question1:-The terminal velocity of a small sphere settling in a viscous fluid varies as the
A:-Inverse square of diameter
B:-Inverse of diameter

rst power of its diameter

D:-inverse of fluid viscosity

Correct Answer:- Option-D

Question2:-A cement bag contains 0.035 cubic meter of cement by volume. How many bags will one tonne of cement
comprises

A:-16
-17
C:-18
D:-20
Correct Answer:- Option-D
Question3:-Efflorescence of bricks is due to
A:-Soluble salts present in clay for making bricks
B:-High Porosity of bricks
C:-High Silt Content in the soil used
D:-Excessive burning burning of bricks
Correct Answer:- Option-A
Question4:-Which of the following constituent in earth gives plasticity to mould bricks in suitable shape

C:-Alumina
D:-Magnesia
Correct Answer:- Option-C
Question5:-The compound which contributes the highest share of heat of hydration in cement is
A:-Tricalcium Silicate
B:-Tricalcium aluminate
C:-Gypsum
D:-Combined lime
Correct Answer:- Option-B
Question6:-Putty is made up of .
A:-White lead and turpentine
B:-Powdered chalk and raw linseed oil
C:-Red lead and linseed oil
D:-Zinc oxide and boiled linseed oil
Correct Answer:- Option-B
Question7:-In making Concrete ,maximum density is achieved by,
A:-Using sufficient cement to fill all the voids
B:-Controlling the particle size of the ingredient
C:-Controlling the particle size distribution of the ingredient
D:-Reducing the quantity of mixing water
Correct Answer:- Option-C
Question8:-which one of the following is not a vehicle in paints
A:-Nut oil
B:-Poppy oil
C:-Tung oil
D:-Turpentine oil
Correct Answer:- Option-D
Question9:-In high tensile steel carbon should be less than
A:-0.10%