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MCQOPTIONS
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.
| 4051. |
The ratio of heat actually released by 1kg of fuel to heat that would be released by complete perfect combustion, is called |
| A. | Thermal efficiency |
| B. | Combustion efficiency |
| C. | Engine efficiency |
| D. | Compression efficiency |
| Answer» C. Engine efficiency | |
| 4052. |
A bidirectional feedback loop links computer modeling with: |
| A. | artificial science |
| B. | heuristic processing |
| C. | human intelligence |
| D. | cognitive science |
| Answer» D. cognitive science | |
| 4053. |
The AND function can be used to ___________ and the OR function can be used to _____________ |
| A. | Enable, disable |
| B. | Disable, enable |
| C. | Synchronize, energize |
| D. | Detect, invert |
| Answer» B. Disable, enable | |
| 4054. |
If the temperature increases 10°C, the ratio of final reverse saturation current to initial reverse saturation current is _______$ |
| A. | 1 |
| B. | 2 |
| C. | 1.5 |
| D. | 3 |
| Answer» C. 1.5 | |
| 4055. |
What is the effect of increase in pressure at which heat is added on the pump work in the Rankine cycle? |
| A. | the pump work increases with increase in pressure of heat addition |
| B. | the pump work decreases with increase in pressure of heat addition |
| C. | the pump work does not change with increase in pressure of heat addition |
| D. | the pump work either increases or decreases with increase in pressure of heat addition |
| Answer» B. the pump work decreases with increase in pressure of heat addition | |
| 4056. |
What is the characteristic variation shown by the thixotropic fluids in their shear stress vs. rate of shear strain graph? |
| A. | shear stress increases with increase in rate of shear strain |
| B. | shear stress decreases with increase in rate of shear strain |
| C. | shear stress shows variation only after a definite shear stress is reached |
| D. | shear stress has decreasing constant and then variation relationship with rate of shear strain |
| Answer» D. shear stress has decreasing constant and then variation relationship with rate of shear strain | |
| 4057. |
The permanent hardness is also known as |
| A. | Pseudo hardness |
| B. | Non carbonate hardness |
| C. | Carbonate hardness |
| D. | Brinell hardness |
| Answer» C. Carbonate hardness | |
| 4058. |
__________ is the practice implemented to spy someone using technology for gathering sensitive information. |
| A. | Cyber espionage |
| B. | Cyber-spy |
| C. | Digital Spying |
| D. | Spyware |
| Answer» B. Cyber-spy | |
| 4059. |
The width of drive way should be |
| A. | Minimum |
| B. | Maximum |
| C. | Intermediate |
| D. | Maximum or minimum |
| Answer» B. Maximum | |
| 4060. |
For better transfer rates on the SCSI BUS the length of the cable is limited to ______ |
| A. | 2m |
| B. | 4m |
| C. | 1.3m |
| D. | 1.6m |
| Answer» E. | |
| 4061. |
What should be the temperature of the metal ware for best coating to occur? |
| A. | Little more than the melting point of the polymer |
| B. | Same as melting point temperature of the polymer |
| C. | Very high temperature |
| D. | None of the mentioned |
| Answer» B. Same as melting point temperature of the polymer | |
| 4062. |
Molecules greater than what size cannot be separated without using electric field? |
| A. | 1 kb |
| B. | 2 kb |
| C. | 10 kb |
| D. | 20 kb |
| Answer» E. | |
| 4063. |
Which is the type of fold with similar degree of folding for indefinite depths? |
| A. | Concentric fold |
| B. | Similar fold |
| C. | Conjugate fold |
| D. | Uniform fold |
| Answer» C. Conjugate fold | |
| 4064. |
Which of the following is a Hill reagent? |
| A. | Sugar |
| B. | Chlorophylls |
| C. | 2, 6- dichlorophenolindophenol |
| D. | Nicotinamide adenine dinucleotide phosphate |
| Answer» D. Nicotinamide adenine dinucleotide phosphate | |
| 4065. |
If the window is created from left to right, the items partially enclosed in the window will not be selected. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4066. |
Property which indicates how many seconds this cookie should be persisted. |
| A. | cookieMaxAge |
| B. | cookieName |
| C. | cookieAge |
| D. | none of the mentioned |
| Answer» B. cookieName | |
| 4067. |
The size of ________ depends on the dimension of the room, use of the room, location of the room, direction and speed of the wind, obstruction to light by neighbouring buildings, etc. |
| A. | Ventilator |
| B. | Door |
| C. | Window |
| D. | Lintels |
| Answer» D. Lintels | |
| 4068. |
State true or false: Users can define new data types in SQL |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4069. |
Which of the following relationship are usually identified as average effects ? |
| A. | Descriptive |
| B. | Causal |
| C. | Predictive |
| D. | None of the Mentioned |
| Answer» C. Predictive | |
| 4070. |
“The data collected in measure step may have a reference from the historical records.” Which of these options is correct bearing the above statement in mind?$ |
| A. | Data from the historical records is satisfactory |
| B. | Data from the historical records may not always be satisfactory |
| C. | Data must always be collected only from historical records |
| D. | Historical records are most reliable for data collection |
| Answer» C. Data must always be collected only from historical records | |
| 4071. |
Let P, Q, R be true, false true , respectively, which of the following is true |
| A. | P‚àßQ‚àßR |
| B. | P‚àß~Q‚àß~R |
| C. | Q->(P‚àßR) |
| D. | P->(Q‚àßR) |
| Answer» D. P->(Q‚Äö√Ñ√∂‚àö‚Ć‚àö√ºR) | |
| 4072. |
PSEN stands for ________ |
| A. | Program Select Enable |
| B. | Peripheral Store Enable |
| C. | Program Store Enable |
| D. | Peripheral Select Enable |
| Answer» D. Peripheral Select Enable | |
| 4073. |
With an increase in the heat input of arc welding method, how does it affect the welding speed? |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | No relation |
| Answer» C. Remains same | |
| 4074. |
At what condition, the rate of electron capture from the conduction band and the rate of the electron emission back into the conduction band must be equal? |
| A. | Thermal equilibrium |
| B. | At room temperature |
| C. | T=250K |
| D. | At boiling temperature |
| Answer» B. At room temperature | |
| 4075. |
Which of the following makes use of pandas and returns data in a Series or DataFrame? |
| A. | pandaSDMX |
| B. | freedapi |
| C. | OutPy |
| D. | none of the Mentioned |
| Answer» C. OutPy | |
| 4076. |
The probable causes of hunting is |
| A. | sudden change in load |
| B. | fault in supply |
| C. | sudden change in field current |
| D. | all of the mentioned |
| Answer» E. | |
| 4077. |
One of the important effects of the collision is the formation of _______ |
| A. | Slug |
| B. | Cracks |
| C. | Gases |
| D. | Shine |
| Answer» C. Gases | |
| 4078. |
Which apparatus is used to test the hardness of stones? |
| A. | Los Angeles |
| B. | Deval’s |
| C. | CTM |
| D. | Dorry’s |
| Answer» E. | |
| 4079. |
Living organisms can use Nitrogen (N2) as it occurs in the atmosphere. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4080. |
What Is NOT the use of plots of thermodynamic properties? |
| A. | Used to establish correlations. |
| B. | Used to make general observation |
| C. | Used to extrapolate and find unknown quantities |
| D. | Used to know the purity |
| Answer» E. | |
| 4081. |
Which of the following is soft in nature? |
| A. | Coarse perliite |
| B. | Fine perlite |
| C. | Bainite |
| D. | Martensite |
| Answer» B. Fine perlite | |
| 4082. |
The force that opposes the motion of a vehicle is |
| A. | Rolling resistance |
| B. | Gradient resistance |
| C. | Wind or air resistance |
| D. | All of the mentioned |
| Answer» E. | |
| 4083. |
For an unpacked coated capillary column, the obstruction factor takes which of the following values? |
| A. | 0 |
| B. | 0.6 |
| C. | 1 |
| D. | 1.6 |
| Answer» D. 1.6 | |
| 4084. |
In software testing, a _____________ is a collection of software and test data configured to test a program unit by putting it under varying conditions and monitoring its behavior and output. |
| A. | Test harness |
| B. | Test automation |
| C. | Test mechanics |
| D. | Test manuscripts |
| Answer» B. Test automation | |
| 4085. |
Gibbs is a web-based program that uses the Gibbs sampling approach to look for _____ gap-free segments for either DNA or protein sequences. |
| A. | short, partially conserved |
| B. | long, partially conserved |
| C. | long, conserved |
| D. | short, not conserved |
| Answer» B. long, partially conserved | |
| 4086. |
The number of full and half adders are required to add 16-bit number is |
| A. | 8 half adders, 8 full adders |
| B. | 1 half adders, 15 full adders |
| C. | 16 half adders, 0 full adders |
| D. | 4 half adders, 12 full adders |
| Answer» C. 16 half adders, 0 full adders | |
| 4087. |
Taper boring and the under boring can be performed by______ |
| A. | centers |
| B. | face plates or angle plates |
| C. | special attachments |
| D. | none of the mentioned |
| Answer» C. special attachments | |
| 4088. |
The flywheel of a steam engine has a radius of gyration of 1 m and mass 2500 kg. The starting torque of the steam engine is 1500 N-m and may be assumed constant. Determine : Angular acceleration of the flywheel. |
| A. | 0.6 rad/s<sup>2</sup> |
| B. | 0.8 rad/s<sup>2</sup> |
| C. | 0.10 rad/s<sup>2</sup> |
| D. | none of the mentioned |
| Answer» C. 0.10 rad/s<sup>2</sup> | |
| 4089. |
If the reference and collector current are 0.539mA and 0.49mA respectively, how many transistors are used in current repeater circuit? (Assume β =150)$ |
| A. | 11 |
| B. | 14 |
| C. | 10 |
| D. | 8 |
| Answer» C. 10 | |
| 4090. |
The _______property is used to set the color of the text. |
| A. | pallet |
| B. | colour |
| C. | color |
| D. | text-decoration |
| Answer» E. | |
| 4091. |
What is the angle of self-holding tapers? |
| A. | 2 to 3 degrees |
| B. | 7 to 8 degrees |
| C. | 10 to 15 degrees |
| D. | 15 to 17 degrees |
| Answer» B. 7 to 8 degrees | |
| 4092. |
In LVDT the secondary coils are energized with sine wave oscillator? |
| A. | True |
| B. | False |
| Answer» C. | |
| 4093. |
If ‚àá*V is not equal to zero, then the flow is __________$ |
| A. | steady |
| B. | unsteady |
| C. | rotational |
| D. | irrotational |
| Answer» D. irrotational | |
| 4094. |
d-block elements generally show multiple oxidation states. An exception to this is: |
| A. | Zinc |
| B. | Mercury |
| C. | Copper |
| D. | None of the mentioned |
| Answer» E. | |
| 4095. |
Which of the following property allows long words to be able to be broken and wrap onto the next line? |
| A. | line-wrap |
| B. | break-word |
| C. | word-wrap |
| D. | word-break |
| Answer» D. word-break | |
| 4096. |
A file contains 2 million bytes. How long does it take to download this file using a 56-Kbps channel? |
| A. | 1-2 mins |
| B. | 5-6 mins |
| C. | 2-4 mins |
| D. | 7-8 mins |
| Answer» C. 2-4 mins | |
| 4097. |
A 230V, 50Hz, single-pulse SCR is feeding a RL load with α = 40° and β = 210°. Find the value of average output voltage$ |
| A. | 54 V |
| B. | 106 V |
| C. | 84 V |
| D. | 32 V |
| Answer» D. 32 V | |
| 4098. |
Which of the following is not the type of classification as per the method of manufacturing the tool? |
| A. | tipped tool, which is brazed to the carbon steel shank |
| B. | tipped tool, which is fastened mechanically to the carbon steel shank |
| C. | grooving |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4099. |
Tools that you develop can plug into the workbench using well defined hooks called ________ |
| A. | SDK |
| B. | Extension Point |
| C. | JDK |
| D. | GNU |
| Answer» C. JDK | |
| 4100. |
Which of the following is the capacity Q in tons? |
| A. | 0.0068 ND wds |
| B. | 1.20 ND wds |
| C. | 5 ND wds |
| D. | 10 N D |
| Answer» B. 1.20 ND wds | |