List of practice Questions

The effect of smoke in the preparation of smoked rubber sheet is:
A. to make the rubber brown
B. to serve as a preservator
C. to make the rubber soft
D. to make the rubber blistering

Tubeless tyres can be made from:

Dynamic response of a system consists of:
A. steady state response only
B. transient state response only
C. unsteady state response only
D. non-transient state response only

Microprocessor-based systems which are increasingly being used for dedicated applications in process instrumentation are:

The lower limit of the useful working range of a transducer is determined by its:
A. error
B. noise
C. accuracy
D. stability

In a flow-nozzle type flow meter, the contraction is noticed to be:
A. gradual
B. abrupt
C. no change
D. discrete

The approach of the thermodynamic temperature scale is based on:
A. heat engine operating according to Carnot cycle
B. behaviour of a perfect gas
C. behaviour of an ideal liquid
D. principle of reversed heat engine

Routh test criterion:
A is applicable only to those systems with polynomial characterizatic equation
B. does not prove any information about the actual location of roots
C. is applicable only to those systems with non-polynomial characterizatic equation
D. Gives full information about the actual location of roots

When the damping coefficient is equal to 1 for a second-order system, then
A. both the roots will be equal
B. both the roots will be real
C. both the roots will be complex
D. both the roots will be unequal

In the McCabe-Thiele diagram for binary distillation, vertical feed line represents ......., and horizontal feed line represents ............ feed.

In a closed-loop system, the process to be controlled is an integrating process with a transfer function \( \frac{1}{25} \). The controller proposed to be used is an integral controller with transfer function \( \frac{1}{T4s} \). When a step change in the set point is applied to such a closed system, the controlled variable will exhibit:

Strain gauge rosettes are used when the direction of:

The first-order thermometer used has a time constant of 50 s. If it is subjected to a sinusoidal input cycling at 0.002 Hz, then the time lag produced in the instrument will be:

Routh test cannot be used to test the stability of a control system containing:

A company spends a considerable amount on publicity to promote sales. This expenditure in a break-even chart is shown below the:

Capitalized cost comparison method is used for comparing alternatives having:

A production equipment costs Rs. 2,00,000. Its salvage value is Rs. 20,000. The expected return is Rs. 50,000 per annum. The corporate taxes are taken as 40

An asset is purchased at a cost of Rs. 5000. It has no salvage value at the end of its life of 10 years. Its book value at the end of 5 years using the straight-line method will be:

An additional step in the manufacture of paper from bagasse as compared to that from bamboo is:

Strength of sulphuric acid can be measured by:

XLPE is the trade name of

Bleaching of paper pulp is done by:

The grading of nitrogenous fertilizers is based on:

Higher holdup of solids in the rotary dryer results in: