Explore topic-wise MCQs in Chemical Engineering.

This section includes 5314 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

3101.

To recover from a crash, we can use ____ command.$

A. :recover
B. -r
C. : x
D. :recover and -r
Answer» E.
3102.

What is the softening point of western montmorillonite?$

A. Above 1800°F
B. Above 2000°F
C. Above 2200°F
D. Above 2400°F
Answer» B. Above 2000¬¨¬®‚Äö√†√ªF
3103.

Generally ecosystem consists of how many basic components?$

A. One
B. Two
C. Three
D. Four
Answer» C. Three
3104.

What are feeding tubes made of?$

A. Bakelite
B. Polyurethane
C. Polyvinyl Chloride
D. Poly ethene
Answer» C. Polyvinyl Chloride
3105.

In LISP, the function X (x). (2x+l) would be rendered as$

A. (lambda (x) (+(*2 x)l))
B. (lambda (x) (+1 (* 2x)
C. (+ lambda (x) 1 (*2x))
D. (* lambda(x) (+2√ó1)
Answer» B. (lambda (x) (+1 (* 2x)
3106.

Out of the below given methods which of these requires a grit removal prior to it?$

A. Sludge drying bed
B. Filter press
C. Centrifuge
D. Sludge lagoons
Answer» D. Sludge lagoons
3107.

Which of the following will reveal any of the imperfectly hybridized DNA samples?$

A. Membrane separation
B. Autoradiography
C. UV radiation
D. Infrared radiation
Answer» C. UV radiation
3108.

Any amount of stress occurring at the core-cladding interface would be reduced by grading the material composition. State whether the given statement is true or false.$

A. True
B. False
Answer» B. False
3109.

Which rock might undergo flowage folding?$

A. Siltstone
B. Sandstone
C. Gypsum
D. Limestone
Answer» D. Limestone
3110.

How many reaction forces are involved in a roller type of joint?$

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
3111.

Ascent of high mountains may cause altitude sickness in men. Prime cause for this is _______$

A. Decreased proportion of oxygen in the air
B. Decreased partial pressure of oxygen
C. Decreased efficiency of hemoglobin
D. Excess CO<sub>2</sub> in blood
Answer» C. Decreased efficiency of hemoglobin
3112.

Which can bring about variations in threshold voltage?$

A. oxide thickness
B. ion implantation
C. poly variations
D. all of the mentioned
Answer» E.
3113.

What is/are the use(s) of extra hydrogen?$

A. Hydrotreating
B. As fuel
C. For manufacturing
D. All of the mentioned
Answer» E.
3114.

A barometer has liquid of density 1 kg/m3 of level 5 cm below the outside level, what is the pressure of the gas captured inside?$

A. 0.5 atm + 1 Pa
B. 1 atm + 0.5 Pa
C. 1.5 atm + 1 Pa
D. 2 atm + 0.5 Pa
Answer» C. 1.5 atm + 1 Pa
3115.

In constant field model, maximum operationg frequency is scaled by$

A. α
B. β
C. α<sup>2</sup>
D. β<sup>2</sup>
Answer» B. ‚âà√≠‚Äö√¢¬ß
3116.

What UNIX command is used to update the modification time of a file?$

A. time
B. modify
C. cat
D. touch
Answer» E.
3117.

Which of the memory organisation is widely used in parity bit?$

A. by 1 organisation
B. by 4 organisation
C. by 8 organisation
D. by 9 organisation
Answer» B. by 4 organisation
3118.

What leads to the development of MESI and MEI protocol?$

A. cache size
B. cache coherency
C. bus snooping
D. number of caches
Answer» C. bus snooping
3119.

dup2(1,0)$

A. closes the stdout and copies the stdin descriptor to stdout
B. closes the stdin and copies the stdout descriptor to stdin
C. will produce compilation error
D. None of the mentioned
Answer» E.
3120.

State whether following statement is true or false about Magnetic abrasive finishing.$

A.
B. True
Answer» B. True
3121.

Impact angle in Abrasive water jet machining range between which of the following values?$

A. 0&176 to 10&176
B. 10&176 to 30&176
C. 30&176 to 90&176
D. 90&176 to 100&176
Answer» D. 90&176 to 100&176
3122.

The flow in rate of HCl and NaOH in a system are 1 mole/hr each what is the flow out rate of NaCl?$

A. 1 mole/hr
B. 2 mole/hr
C. 3 mole/hr
D. 4 mole/hr
Answer» B. 2 mole/hr
3123.

Heat exchanger characterized by pack of stainless steel in a frame is ________$

A. Plate heat exchanger
B. Tubular heat exchanger
C. Scraped surface heat exchanger
D. Spray dryer
Answer» B. Tubular heat exchanger
3124.

Plasma etching provides poor thickness control.$

A. True
B. False
Answer» C.
3125.

The command to remove rows from a table ‘CUSTOMER’ is$#

A. DROP FROM CUSTOMER
B. UPDATE FROM CUSTOMER
C. REMOVE FROM CUSTOMER
D. DELETE FROM CUSTOMER WHERE
Answer» E.
3126.

Point out the wrong or irrelevant mathematical method in motif analysis.$

A. Enumeration
B. Probabilistic Optimization
C. Deterministic Optimization
D. Literature mining
Answer» E.
3127.

K’I are determined at$#

A. Top section Temperatures
B. Bottom section Temperatures
C. Middle section Temperatures
D. Right section Temperatures
Answer» C. Middle section Temperatures
3128.

Which type of quantization is most preferable for audio signals for a human ear?$

A. Uniform quantization
B. Non uniform quantization
C. Uniform & Non uniform quantization
D. None of the mentioned
Answer» C. Uniform & Non uniform quantization
3129.

Because of its hydrocarbon nature, butyl rubber is soluble in hydrocarbon solvents but has excellent resistance to polar solvents like alcohol and acetone.$

A. True
B. False
Answer» B. False
3130.

Which of the following statements is true for the thermal and electrical conductivity of graphite structure?$

A. It has high thermal but low electric conductivity
B. It has high thermal and high electric conductivity
C. It has low thermal and high electric conductivity
D. It has low thermal and low electric conductivity
Answer» C. It has low thermal and high electric conductivity
3131.

Which of the following are linked with Base System?$

A. ECM
B. LAN
C. ASC
D. All of the mentioned
Answer» C. ASC
3132.

If RQ is 0.6 in a respiratory metabolism it would mean that _________$

A. Carbohydrate is used as respiratory substrate
B. Organic acids are used as respiratory substrate
C. Oxidation of respiratory substrate consumed more O<sub>2</sub> than CO<sub>2</sub> produced
D. Reaction is anaerobic
Answer» D. Reaction is anaerobic
3133.

How many node object properties are there?$

A. 12
B. 14
C. 16
D. 17
Answer» D. 17
3134.

Gas turbine is shut down by$

A. Turning off starter
B. Stopping the compressor
C. Fuel is cut off from the combustor
D. Any of the mentioned
Answer» D. Any of the mentioned
3135.

Research scientists all over the world are taking steps towards building computers with circuits patterned after the complex interconnections existing among the human brain’s nerve cells. What name is given to such type of computers?$#

A. Intelligent computers
B. Supercomputers
C. Neural network computers
D. Smart computers
Answer» D. Smart computers
3136.

How many NAND circuits are contained in a 7400 NAND IC?$

A. 1
B. 2
C. 4
D. 8
Answer» D. 8
3137.

If V1 is 5V and resistance R1 is 5KΩ and the cut-in voltage of the diode is 0.7V, what will be the voltage Vout across the diode? Take reverse saturation current as 10-8A and operating temperature as 25°C.$#

A. 0V
B. -4.5V
C. -5V
D. -3.2V
Answer» D. -3.2V
3138.

Which of these is a binary cycle?$

A. Mercury-steam cycle
B. Mercury-water cycle
C. Mercury-Sodium cycle
D. None of the mentioned
Answer» B. Mercury-water cycle
3139.

For a compressible fluid the kinematic viscosity is affected by temperature and pressure variation.$

A. True
B. False
Answer» B. False
3140.

_________ is the hacking approach where cyber-criminals design fake websites or pages for tricking or gaining additional traffic.$

A. Cyber-replication
B. Mimicking
C. Website-Duplication
D. Pharming
Answer» B. Mimicking
3141.

The normal width recommended in rural areas by IRC for national highway is$

A. 45m
B. 29 m
C. 60 m
D. 25 m
Answer» B. 29 m
3142.

ASCII stands for _____________________$

A. American standard code for information interchange
B. American scientific code for information interchange
C. American scientific code for international interchange
D. American standard code of international interchange
Answer» B. American scientific code for information interchange
3143.

The data is stored on the disk in the form of blocks called _____$

A. Pages
B. Frames
C. Sectors
D. Tables
Answer» D. Tables
3144.

If the flow rate of coolants is increased in the fluidized bed, how will it effect the film formation?$

A. Time duration of film formation will decreased
B. No effect
C. Time duration for film formation increases
D. None of the mentioned
Answer» B. No effect
3145.

Reorientation angle is the angle of ______________$

A. DNA
B. Protein
C. Vector
D. Gel
Answer» B. Protein
3146.

Taking a case study for the long line under no load condition, the receiving end voltage is ____________$

A. more than the sending-end voltage
B. less than the sending-end voltage
C. equal to the sending-end voltage
D. it will not be affected by the loading
Answer» B. less than the sending-end voltage
3147.

The fold which is associated with the formation of mountains is$

A. Geanticline
B. Geosyncline
C. Homocline
D. Basin
Answer» C. Homocline
3148.

Which of the following correctly defines the yield of oxygen by the no. of photons absorbed?$

A. Emerson enhancement effect
B. Quantum requirement
C. Photochemical reaction
D. Quantum Yield
Answer» E.
3149.

Parameter which can change user’s locale by any URL.$#

A. locale
B. languageURL
C. language
D. none of the mentioned
Answer» D. none of the mentioned
3150.

The traditional _______ door shutters have inevitable problems of wrapping, rotting, painting and maintenance.$

A. Metal
B. Wooden
C. Glass
D. Plywood
Answer» C. Glass