Search
.Management Sciences
Category: Chemical Engineering Basics
‘Cryogenics’ is concerned with the generation & use of low temperature in the range of____________________?
A. 0°K to 123°K
B. 0°C to – 123°C
C. 0°C to – 273°C
D. 0°K to 273°K
Particle nature of cathode rays is proved due to the fact that they ________________?
A. Travel in a straight line
B. Get deflected by magnetic electric field
C. Produce fluorescence
D. Heat the exposed material
The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the___________________?
A. Final control element
B. On-off control
C. Floating control action
D. None of these
The type of pump used for lifting large quantity of sewage is a _________________ pump ?
A. Gear
B. Centrifugal
C. Reciprocating
D. Plunger
Load cells used for the measurement of weight has______________?
A. Compact & rugged construction with an accuracy of 0.1 to 1%
B. No moving parts and incurs negligible deflection under load
C. Provision of thermal compensation and is hermetically sealed
D. All A, B & C
The condition of diffraction from a crystal is given by______________?
A. nλ = 2d Sin θ
B. λ = d Sin 2θ
C. λ = 2d Sin 2θ
D. nλ = d Sin θ
In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of_________________?
A. Stainless steel
B. Mild steel
C. High speed steel
D. High carbon steel
Which of the following pairs is not correctly matched ?
A. Uranium – 233 : Fertile material
B. Binding energy : Mass defect
C. Scattering: Absorption cross-section
D. Number of nucleons : Mass number
Out of the following, the lowest packing of atoms exists in ____________________ crystal lattice structure?
A. Hexagonal close, packed (hcp)
B. Face centred cubic (fcc)
C. Body centred cubic (bcc)
D. Simple cubic
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?
A. Sinter
B. Coke
C. Iron ore
D. Limestone
Recent Comments