Explore topic-wise MCQs in Unit Processes.

This section includes 1120 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.

801.

Supplementary firing in a Brayton-Rankine combined cycle is ?

A. Good
B. Less effective
C. Very effective
D. None of the mentioned
Answer» C. Very effective
802.

Which winding of the transformer has less cross-sectional area?

A. Primary winding
B. Secondary winding
C. Low voltage winding
D. High voltage winding
Answer» E.
803.

Nine’s complement of a number is formed by:$

A. replacing each digit by 9 minus that digit
B. replacing each digit by 1plus that digit
C. replacing each digit by 8 minus that digit
D. None of the mentioned
Answer» B. replacing each digit by 1plus that digit
804.

What are columns?

A. vertical compression members in a building supporting floors or girders
B. vertical tension members in a building supporting floors or girders
C. horizontal compression members in a building supporting floors or girders
D. horizontal tension members in a building supporting floors or girders
Answer» B. vertical tension members in a building supporting floors or girders
805.

The main advantage of using aluminium alloy for cylinder head is ____________

A. lightness in weight
B. high thermal conductivity
C. less corrosion rate
D. cost
Answer» C. less corrosion rate
806.

Simple gate and globe valves are not better valves.

A. True
B. False
Answer» B. False
807.

Voltage ranges in a meter are _________

A. 5-10-15
B. 20-50-100
C. 0.5-1-1.5
D. 1-3-10
Answer» E.
808.

Memory organization in which users write programs in modules with different characteristics.

A. Physical
B. Logical
C. Structural
D. Simple
Answer» C. Structural
809.

Degree of kinetic indeterminacy is used in this method.

A.
B. true
Answer» B. true
810.

Part of the piston stroke is lost with the provision of the ports thus the effective compression is less in case of two stroke engines.

A. True
B. False
Answer» B. False
811.

When a strong magnetic field is applied to the unpaired spins of an electron, the electrons will be split into two groups.

A. True
B. False
Answer» B. False
812.

In a locomotive, the ratio of the connecting rod length to the crank radius is kept very large in order to

A. minimise the effect of primary forces
B. minimise the effect of secondary forces
C. have perfect balancing
D. start the locomotive quickly
Answer» C. have perfect balancing
813.

The instances can be created only in subclasses

A. The instances can be created only in main() function
B. The instances can be created only in parent class
C. The instances can be created anywhere in the program
Answer» B. The instances can be created only in parent class
814.

Which of the following object you get after reading CSV file?

A. DataFrame
B. Character Vector
C. Panel
D. All of the Mentioned
Answer» B. Character Vector
815.

What is generalization?

A. ability to store a pattern
B. ability to recall a pattern
C. ability to learn a mapping function
D. none of the mentioned
Answer» D. none of the mentioned
816.

Benzene diazonium chloride forms orange red dye with which of the following compound?

A. Nitrophenol
B. Benzophenol
C. Resorcinol
D. Methanol
Answer» D. Methanol
817.

The defects like pot holes, corrugation, rutting can be rectified by.

A. Trenching
B. Grading
C. Dragging
D. Chemical treatment
Answer» C. Dragging
818.

In the case of deletion of a restriction site, it should be cleaved with same restriction enzyme. Is the given statement true or false?

A. True
B. False
Answer» B. False
819.

Which of the following is the part of the injection moulding device?

A. Regulator
B. Guide pins
C. Top mould
D. Bottom mould
Answer» E.
820.

What is the best way to educate school kids about the environment?

A. Teaching theory about environment in classes
B. Showing pictures and videos of environment in projector screen
C. Taking kids to national parks or sanctuaries
D. Taking kids to amusement parks
Answer» D. Taking kids to amusement parks
821.

________ allows only committed data to be read, but does not require repeatable reads

A. Read uncommitted
B. Serializable
C. Repeatable read
D. Read committed
Answer» E.
822.

Which of the following is not used to represent the relative altitudes of the points on the map?

A. Contour lines
B. Hachures
C. Shading
D. Level lines
Answer» E.
823.

At low temperature super critical CO2 closed cycle gas turbine has ________ efficiency when compared to helium closed cycle gas turbine.

A. low
B. high
C. optimum
D. none of the mentioned
Answer» C. optimum
824.

Crystal frequency characteristics depends on

A. Inductive reactance connected to crystal
B. Capacitive reactance connected to crystal
C. Shape of crystal
D. All of the above
Answer» D. All of the above
825.

What is layered bridging?

A. The functions in one layer may talk to the functions to its immediate neighbors than all other layers
B. The functions in one layer may talk to the functions in layers other than its immediate neighbors
C. The functions in one layer may or may not talk to the functions in layers other than its immediate neighbors
D. None of the mentioned
Answer» C. The functions in one layer may or may not talk to the functions in layers other than its immediate neighbors
826.

What are the notations for the Use case Diagrams ?

A. Use case
B. Actor
C. Prototype
D. Use case and Actor
Answer» E.
827.

Primary sludge constitutes which of the following?

A. Chemical sludge
B. Settlable solids
C. Biological solids
D. Biological and settlable solids
Answer» C. Biological solids
828.

In EJB 3.0, an MDB can be a POJO that implements the MessageListener interface and is annotated with the:-

A. @MessageDrive
B. @Message
C. all of the mentioned
D. @MessageDriven
Answer» E.
829.

A wave of frequency 100Hz travels along a string towards its fixed end. When this wave travels back, after reflection, a node is formed at a distance of 10cm from the fixed end. The speed of the wave (incident and reflected) is

A. 5m/s
B. 20m/s
C. 10m/s
D. 40m/s
Answer» C. 10m/s
830.

The number of repeated closeness to the true value is accounted by

A. resolution
B. accuracy
C. precision
D. all of the mentioned
Answer» D. all of the mentioned
831.

What is the diagonals’ ratio of Knoop indenter?$

A. 1:1
B. 1:2
C. 7:1
D. 10:1
Answer» D. 10:1
832.

HETP is defined?

A. Height equivalent to theoretical plate
B. High efficiency tower plate
C. High energy temperature point
D. Homotomy Engineer Temperature Point
Answer» B. High efficiency tower plate
833.

Fractional distillation is different from distillation because of the presence of

A. Fractionating column
B. Condenser
C. Distillation flask
D. Conical flask
Answer» B. Condenser
834.

Dextran sulfate is a ____________

A. Antibody
B. Protein
C. Vector
D. Rate enhancer
Answer» E.
835.

The estimate which prepared using any rough method to get the approximate cost construction anticipated in a project is called an ______________estimate.

A. approximate
B. precise
C. exact
D. rough
Answer» B. precise
836.

The sizes of the dots are such that on the order of 50 (newspapers) to 200 (high quality reproduction of photographs) occur per ___________

A. Linear mm
B. Linear cm
C. Linear m
D. Linear inch
Answer» E.
837.

Which of the following system is memoryless?

A. h(t)=0,t ≠0
B. h(t)=x(t-1)
C. h(t)=0, t=0
D. h(t)=kx(t+2)
Answer» B. h(t)=x(t-1)
838.

Compositional and structural differences between photonic and electronic devices __________

A. Provide high efficiency
B. Provide low efficiency
C. Highly used
D. Create problems
Answer» E.
839.

The early algorithms based their prediction on hydrophobicity scales.

A. True
B. False
Answer» B. False
840.

MySQL supports shared-memory connections on Windows.

A. True
B. False
Answer» B. False
841.

What is the range of the length of the thick rolled sheets used in the rotor design of the hydro generators?

A. 130-180 mm
B. 120-180 mm
C. 150-180 mm
D. 160-190 mm
Answer» C. 150-180 mm
842.

Lithographic techniques can produce silicon wafers with well-defined geometric features.

A. True
B. False
Answer» B. False
843.

“snurps” are made of ____________$

A. RNA
B. Protein
C. DNA and protein
D. RNA and protein
Answer» E.
844.

ECG signal is amplified and filtered with 0.05-100 Hz for diagnostic purposes and 1-40 Hz for monitoring purposes in signal conditioning.

A. True
B. False
Answer» B. False
845.

At any point on the circumference of cylinder, the longitudinal and hoop stress are _______

A. Parallel
B. Equal
C. Orthogonal
D. Radial
Answer» D. Radial
846.

Which investigator worked on elutrition of two components in batch operation?

A. Leva
B. Zenz and Weil
C. Lewis and Lang
D. Sanari and Kunii
Answer» B. Zenz and Weil
847.

Which of the following is not true for the duty cycle of a waveform?

A. Duty cycles can be used to describe the percent time of an active signal in an electrical device
B. Duty cycle can be used to determine the percentage of the time a signal is active
C. 60% duty cycle means that the waveform is active for 40% of the total time
D. 50% duty cycle means that the waveform is non-active for 50% of the total time
Answer» D. 50% duty cycle means that the waveform is non-active for 50% of the total time
848.

Given Checklist:

A. G has no useless symbols
B. G has no unit productions
C. G has no epsilon productions
D. Normal form for production is violated
Answer» C. G has no epsilon productions
849.

Monopole antenna is a type of travelling wave antenna.

A. True
B. False
Answer» C.
850.

The pool of instructions that are fetched is stored in an addressable memory called

A. tristate buffer
B. branch target buffer
C. reorder buffer
D. order buffer
Answer» D. order buffer