Mechanical Operations

Which of the following is not used as a filter medium in case of corrosive liquids?

Byadmin February 18, 2019August 22, 2021

Which of the following is not used as a filter medium in case of corrosive liquids?

A. Nylon
B. Glass cloth
C. Metal cloth of monel or stainless steel
D. Cotton fabric

Mechanical Operations

Jigging is a technique by which different particles can be____________________?

Jigging is a technique by which different particles can be____________________?

A. Separated by particle size
B. Separated by particle density
C. Separated by particle shape
D. Mixed

Read More Jigging is a technique by which different particles can be____________________?
Mechanical Operations

Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines ?

Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines ?

A. Compartment mill
B. Rod mill
C. Pebble mill
D. Tube mill

Read More Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines ?
Mechanical Operations

_______________ is a cohesive solid ?

_______________ is a cohesive solid ?

A. Wheat
B. Sand
C. Wet clay
D. None of these

Read More _______________ is a cohesive solid ?
Mechanical Operations

Which is a secondary crusher for a hard & tough stone ?

Which is a secondary crusher for a hard & tough stone ?

A. Jaw crusher
B. Cone crusher
C. Impact crusher
D. Toothed roll crusher

Read More Which is a secondary crusher for a hard & tough stone ?
Mechanical Operations

Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?

Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?

A. √μ
B. 1/√μ
C. 1/μ
D. 1/μ2

Read More Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?
Mechanical Operations

Production rate _____________ with increased fineness, with a given energy input to the size reduction machine?

Production rate _____________ with increased fineness, with a given energy input to the size reduction machine?

A. Decreases
B. Increases
C. Remains unchanged
D. May increase or decrease; depends on the machine

Read More Production rate _____________ with increased fineness, with a given energy input to the size reduction machine?

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