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BARC OCES 2022 Quiz 9
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Question 1
Consider the following:
1) Force on pipe bends and transitions
2) Jet propulsion
3) Flow velocities in open channel
4) Vortex flow
Which of the above admit employing the moment of momentum equation?
1) Force on pipe bends and transitions
2) Jet propulsion
3) Flow velocities in open channel
4) Vortex flow
Which of the above admit employing the moment of momentum equation?
Question 2
Consider the following assumptions made in the analysis of a jet impinging normally on a moving plate to introduce the principle of moment of momentum:
1) Friction between jet and plate is neglected
2) Flow is steady
3) Impinging momentum of jet is unchanged
4) Plate moves at a constant velocity.
Which of these statements are relevant?
1) Friction between jet and plate is neglected
2) Flow is steady
3) Impinging momentum of jet is unchanged
4) Plate moves at a constant velocity.
Which of these statements are relevant?
Question 3
Consider the following types of turbines:
1) Francis
2) Pelton with a Single jet
3) Kaplan
The correct sequence of these turbines in
Increasing order of their specific speeds is
1) Francis
2) Pelton with a Single jet
3) Kaplan
The correct sequence of these turbines in
Increasing order of their specific speeds is
Question 4
Statement (I): Draft tube is not used in Pelton wheel turbine.
Statement (II): Pressure at inlet and outlet of the pelton wheel turbine is atmospheric.
Question 5
Which of the following statement(s) is/are correct regarding hydraulic turbines.
1) Kaplan turbine is used for low head and high discharge
2) Specific speed of Kaplan turbine is more than Francis turbine
3) Runner of Francis turbines has blades much less than Kaplan turbine.
4) Efficiency of Francis turbine is higher than Kaplan turbine
Question 6
Pick up the incorrect statement from following.
Question 7
A sample of soil was prepared by mixing a quantity of dry soil with 15% by mass of water. What is the mass of this wet mixture, require to produce a cylindrical compacted specimen of 10 cm diameter and 10 cm deep, having 5% air content if specific gravity is 2.65?
Question 8
An oven dry soil has mass specific gravity of 1.5g/cc. If the bulk density of soil in its natural state is 2g/cc, then the water content of soil in natural state will be
Question 9
Match list-I with list-II and select the correct answer using the codes given below the lists:
Question 10
Consider the following clay minerals:
1). Kaolinite
2). Montmorillonite
3). Illite
What is the correct sequence in an increasing order of their plasticity index?
1). Kaolinite
2). Montmorillonite
3). Illite
What is the correct sequence in an increasing order of their plasticity index?
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ESE & GATE CEGeneralJun 23ESE & GATE CE
