Pick out the correct statement___________________?

Byadmin March 2, 2019August 24, 2021

Pick out the correct statement___________________?

A. Centre to centre distance between two consecutives rivets in a row is called the pitch
B. A riveted joint made in overlapg plates is called butt joint
C. Hole size drilled in riveted plates is less than the actual size of the rivet
D. None of these

Process Equipment and Plant Design

______________ closure is the weakest enclosure for cylindrical vessels?

______________ closure is the weakest enclosure for cylindrical vessels?

A. Hemispherical
B. Torispherical
C. Conical or flat plate
D. Elliptical

Read More ______________ closure is the weakest enclosure for cylindrical vessels?
Process Equipment and Plant Design

To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to ____________________?

To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to ____________________?

A. 0.5 d
B. d
C. 1.5 d
D. 2.5 d

Read More To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to ____________________?
Process Equipment and Plant Design

The normal range of velocity of water in pipes is _______________ m/sec?

The normal range of velocity of water in pipes is _______________ m/sec?

A. 0.1-0.5
B. 1-2
C. 10-50
D. 15-30

Read More The normal range of velocity of water in pipes is _______________ m/sec?
Process Equipment and Plant Design

The dust collection efficiency of a cyclone separator_________________?

The dust collection efficiency of a cyclone separator_________________?

A. Decreases with increase in gas flow rate
B. Is inversely proportional to the mass of the dust particle
C. Is directly proportional to the radius of the dust particle path
D. None of these

Read More The dust collection efficiency of a cyclone separator_________________?
Process Equipment and Plant Design

1.2 to 3.8 cms is the value of the ______________________?

1.2 to 3.8 cms is the value of the ______________________?

A. Downcomer liquid seal in case of a balanced tray design
B. Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm)
C. Skirt clearance for bubble caps
D. All A., B. and C.

Read More 1.2 to 3.8 cms is the value of the ______________________?
Process Equipment and Plant Design

A perforated plate has holes of diameter dn arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by_______________?

A perforated plate has holes of diameter dn arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by_______________?

A. (ph – dh)/ph
B. (ph – dh . dt/2)/ph
C. (ph – dt)/ph
D. (ph – dh)/dh

Read More A perforated plate has holes of diameter dn arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by_______________?

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