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CUET (PG)
List of top Questions asked in CUET (PG)
If the temperature of a saturated water is increased infinitesimally at constant entropy, the resulting state of water is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Thermodynamics
Buna-S is a polymer of:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Polymer Science
In an internal combustion engine, during the compression strokes, the heat rejected to the cooling water is 75 J/g and the work input is 120 J/g. The change in internal energy of the working fluid is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Thermodynamics
The functionality of the Phenol in the preparation of phenol-formaldehyde resin is :
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Polymer Science
The characteristic equation for the system is
\[ s^3 + 9s^2 + 26s + 12(2 + K_c) = 0 \]
Using Routh test, the value of Kc that will keep the system stable is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Control Systems
Which one is an example of branched polymer?
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Polymer Science
The transfer function of a PID controller is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Control Systems
The liquid used in hydraulic transmission is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Fluid Mechanics
ABS is a:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Polymer Science
The unit step response of the transfer function
\( G(s) = \frac{1}{s^2 + 2s + 3} \)
has:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Control Systems
10 ml of 0.5 M HCl is mixed with 30 ml of 0.3 M HCl, the molarity of the solution is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Physical Chemistry
A first-order system with unity gain and time constant \( \tau \) is subjected to sinusoidal input having a frequency \( \omega \) of \( \frac{1}{\tau} \). The amplitude ratio for such system is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Control Systems
Carothers equation may define gel formation for the:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Polymer Science
A step change of magnitude is introduced to a system having the transfer function
\[ G(s) = \frac{2}{s^2 + 2s + 4} \]
The percent overshoot is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Control Systems
The Bode diagram stability criterion is applicable when:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Control Systems
Secondary nutrients in fertilizers are:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Chemical Technology and Plant Design
The process involved in converting rubber into a thin sheet or coating it on fabric is called:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Rubber
Mixed fertilizer having its grade designated by 5-25-10, means:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Chemical Technology and Plant Design
Sulfa drugs are derivatives of:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Organic Chemistry
A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day when it is concentrating from 10% to 35% solids. The water evaporated in kg per day is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Mass Transfer
In petrochemical industry, any petroleum fraction having an approximate boiling point range between 20°C and 200°C which is used as a feed stock is called:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Chemical Technology and Plant Design
As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Thermodynamics
Cost of instrumentation in a modern chemical plant as compared to the total plant cost, ranges from:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Process Control and Instrumentation
The rate of corrosion of mild steel by sulphuric acid is unacceptably high for:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Material Science
Karbate is:
CUET (PG) - 2025
CUET (PG)
Chemical, Thermal and Polymer Engineering
Material Science
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