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Browse complete papersFrom the options given below the select the type of fluid flow which will be observed when bath tub is emptied through a central opening:
Rotational vortex
Rankine vortex
Free vortex flow
Forced vortex flow
Correct answer
Rotational vortex
What happens if the emergency stop button is pressed on an escalator?
The escalator stops gradually within 10 seconds.
The escalator immediately stops to prevent accidents.
The escalator slows down to half its normal speed.
The escalator reverses direction.
Correct answer
The escalator stops gradually within 10 seconds.
Which test is the most commonly used method of measuring the consistency of concrete that can be employed either in the laboratory or at the site of work?
Flow test
Compacting factor test
Slump test
Vee-bee consistometer test
Correct answer
Flow test
The polar moment of inertia of an equilateral triangle of side 'a' is given by
\(\rm\frac{a^4}{64}\)
\(\rm\frac{a^4}{8}\)
\(\rm\frac{a^4}{16 \sqrt{3}}\)
\(\rm\frac{a^4}{16}\)
Correct answer
\(\rm\frac{a^4}{64}\)
Match the following.
| (A) Continuous thick lines | (P) Projection lines |
|---|---|
| (B) Hidden lines | (Q) Principal lines |
| (C) Outlines | (R) Dotted lines |
| (D) Extension lines | (S) Object lines |
A-S, B-R, C-Q, D-P
A-R, B-S, C-Q, D-P
A-S, B-R, C-P, D-Q
A-P, B-R, C-Q, D-S
Correct answer
A-S, B-R, C-Q, D-P
What is the wavelength of Thermal-IR in electromagnetic spectrum of sunlight?
0.7 to 1.00 μm
0.3 to 0.4 μm
3 to 5 μm
0.1 to 30 μm
Correct answer
0.7 to 1.00 μm
Super built up area is defined as:
Built up area minus wall area
Summation common area and carpet area
Summation of carpet area and wall area
Summation of built up area and common area
Correct answer
Built up area minus wall area
The direction of a line PQ is found to be 186°30' in the whole circle bearing system. The direction of the same line in the quadrantal bearing system is __________.
S 83°30' W
S 6°30' W
N 186°30' E
N 173°30' W
Correct answer
S 83°30' W
The vertical member in the middle of the window frame which subdivides the window is called:
holdfast
Rebate
Mullion
Transom
Correct answer
holdfast
In a roof, queen post truss is commonly used for spans :
up to 3.5 m
from 5.0 m to 8.0 m
from 8.0 m to 12.0 m
from 3.5 m to 5.0 m
Correct answer
up to 3.5 m