Search
.Management Sciences
Category: Chemical Engineering Basics
Iron content in Indian iron ore is about _________________ percent?
0
A. 80-85
B. 60-65
C. 40-45
D. 20-25
The passage between the nozzle and the _______________________ is called ‘sprue’ in case of injection moulding?
A. Runner
B. Cylinder
C. Mold
D. None of these
For a first order chemical reaction, the concentration of the reactant decreases __________________ with time?
A. Linearly
B. Exponentially
C. Logarithmically
D. Inversely
Working of linear variable differential transducer (LVDT) is based on the principle of variable_____________________?
A. Capacitance
B. Resistance
C. Mutual inductance
D. None of these
What happens, when SO2 is passed through a solution of H2S in water ?
A. Precipitation of sulphur takes place
B. H2SO3 is formed
C. Oleum is formed
D. None of these
Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of ?
A. Grashoff number
B. Grashoff number & Reynolds number
C. Reynolds number
D. Grashoff number & Prandtl number
The pressure outside a bubble/droplet of liquid is ________________ the internal pressure?
A. Greater than
B. Less than
C. Equal to
D. Unpredictable; depends on the bubble size
Steel produced from phosphatic iron is _______________ in nature?
A. Malleable
B. Ductile
C. Brittle
D. Tough
Which of the following rays has the least wavelength ?
A. Ultraviolet rays
B. Infrared rays
C. Cosmic rays
D. X-rays
In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the________________?
A. Range is 15°F
B. Approach is 10°F
C. Both A. & B.
D. Neither A. nor B.
Recent Comments