# LIVE EXAM 10 OCTOBER 2019

## Quiz by Wincentre Classes

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10 questions
• Q1
The specific volume of a liquid is the reciprocal of
weight density
mass density
specific weight
Specific gravity
30s
• Q2
A beaker is filled with a liquid up to the mark of one litre and weighed. The weight of the liquid is found to be 6.5 N. The specific gravity of the liquid will be
0.85
0.76
0.66
0.77
30s
• Q3
If a fluid of certain surface tension and diameter is used to create a soap bubble and a liquid jet. Which of the two, bubble or liquid jet, will have greater pressure difference on the inside and outside.
Liquid jet
Soap bubble
None of the mentioned
Both will have same pressure difference
30s
• Q4
Which of the following is a shear-thinning fluid?
Dilatant
Pseudoplastic
Rheopectic
Bingham plastic
30s
• Q5
Which one of the following is true about Bulk Modulus of elasticity?
it is the ratio of shear stress to volumetric strain
it is the ratio of compressive stress to linear strain
it is the ratio of compressive stress to volumetric strain
it is the ratio of tensile stress to linear strain
30s
• Q6
The value of the Bulk Modulus of elasticity for an ideal fluid is
very low
unity
zero
infinity
30s
• Q7
In the inverted U-tube Differential manometer, how is the specific gravity of manometric fluid used relative to the fluid flowing in the pipes
None of the mentioned
Specific gravity is less than that of fluid flowing in pipes
Specific gravity is equal to that of fluid flowing in pipes
Specific gravity is more than that of fluid flowing in pipes
30s
• Q8
The velocity of a point in a flow is
along the streamline
along the pathline
tangent to the pathline
tangent to the streamline
30s
• Q9
What is the unit of pressure gradient?
N/m
Pam
Pa
Pa/m
30s
• Q10
Black cotton soil
All of these
Has a tendency of swelling and shrinking due to clay particles
Shrinks excessively when dry
Swells excessively when wet
30s

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