MCQOPTIONS
Saved Bookmarks
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.
| 1101. |
A __________ is defined as a sequence of steps and it is provided to afford the means of Ascent and Descent between the floors or landings. |
| A. | Stair |
| B. | Beam |
| C. | Roof |
| D. | Sidewalk |
| Answer» B. Beam | |
| 1102. |
Suspending agents and some sugars can be used as viscosity imparters. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1103. |
The concentration of colorant does not affect the drug solubility. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1104. |
PABA complex is used for the enhancement of ______________ |
| A. | Enhanced chelation |
| B. | Enhanced dissolution |
| C. | Enhanced membrane permeability |
| D. | Enhanced lipophilicity |
| Answer» E. | |
| 1105. |
Which one of these is not a mechanism of the working of surfactants? |
| A. | Promote wetting by increasing the effective surface area |
| B. | Helps in the dissolution of drug |
| C. | Better membrane contact of the drug |
| D. | Decrease membrane permeability |
| Answer» E. | |
| 1106. |
Which of the following will be an example of an organic suspending agent? |
| A. | CMC |
| B. | MC |
| C. | Acacia |
| D. | Carbowaxes |
| Answer» D. Carbowaxes | |
| 1107. |
The deleterious effect of various coatings on drug dissolution is shown in orders below. Which one of them is the correct order? |
| A. | Enteric coat > sugar coat > nonenteric film coat |
| B. | Enteric coat > nonenteric film coat > sugar coat |
| C. | Nonenteric film coat > sugar coat > enteric coat |
| D. | Sugar coat > enteric coat > nonenteric film coat |
| Answer» B. Enteric coat > nonenteric film coat > sugar coat | |
| 1108. |
An example of lubricants will be __________ |
| A. | PVP |
| B. | Carbowaxes |
| C. | CMC |
| D. | Tetracycline |
| Answer» C. CMC | |
| 1109. |
A large amount of binders tends to increase the hardness of tablets. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1110. |
Which one of the following sentences depicts the function of Disintegrants correctly? |
| A. | These agents help in holding the powders together to form granules |
| B. | These agents overcome the cohesive strength of the tablets and help in dissolution |
| C. | These agents help in the flow of granules and reduce friction between particles |
| D. | Added when the required dosage is inadequate |
| Answer» C. These agents help in the flow of granules and reduce friction between particles | |
| 1111. |
A truck driving along a highway road has a large quantity of momentum. If it moves at the same speed but has twice as much mass, its momentum is ________________ |
| A. | zero |
| B. | quadrupled |
| C. | doubled |
| D. | unchanged |
| Answer» D. unchanged | |
| 1112. |
An electric motor drives a machine through a speed reducing gear of ratio 9:1. The motor armature, with its shaft and gear wheel, has moment of inertia 0.6 kg-m2. The rotating part of the driven machine has moment of inertia 45 kg-m2. The driven machine has resisting torque of 100 N-m and the efficiency of reduction gear is 95%. Find the power which the motor must develop to drive the machine at a uniform speed of 160 r.p.m. |
| A. | 1764 W |
| B. | 2764 W |
| C. | 3764 W |
| D. | 4764 W |
| Answer» B. 2764 W | |
| 1113. |
A road roller has a total mass of 12 tonnes. The front roller has a mass of 2 tonnes, a radius of gyration of 0.4 m and a diameter of 1.2 m. The rear axle, together with its wheels, has a mass of 2.5 tonnes, a radius of gyration of 0.6 m and a diameter of 1.5 m. Calculate kinetic energy of rotation of the wheels and axles at a speed of 9 km/h. |
| A. | 7670 N-m |
| B. | 8670 N-m |
| C. | 9670 N-m |
| D. | 6670 N-m |
| Answer» B. 8670 N-m | |
| 1114. |
Select the incorrect option: |
| A. | (101)10 = (1100101)2 |
| B. | G is valid in hexadecimal system. |
| C. | C represents 12 |
| D. | The base of a decimal number system is 10. |
| Answer» C. C represents 12 | |
| 1115. |
Which of the following is not a decimal number? |
| A. | 114 |
| B. | 43.47 |
| C. | 99.9A |
| D. | 10101 |
| Answer» D. 10101 | |
| 1116. |
The hexadecimal representation of 14 is _______________ |
| A. | A |
| B. | F |
| C. | D |
| D. | E |
| Answer» E. | |
| 1117. |
The signed magnitude for -3 will be ___________ |
| A. | 00000011 |
| B. | 10000011 |
| C. | 11111101 |
| D. | 11111100 |
| Answer» C. 11111101 | |
| 1118. |
The decimal equivalent of (0.101)2 will be ____________ |
| A. | 0.5 |
| B. | 0.625 |
| C. | 0.25 |
| D. | 0.875 |
| Answer» C. 0.25 | |
| 1119. |
The 2’s complement of 15 is ____________ |
| A. | 0000 |
| B. | 0001 |
| C. | 0010 |
| D. | 0100 |
| Answer» C. 0010 | |
| 1120. |
Convert : (110)2 = ( __ )10. |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 9 |
| Answer» D. 9 | |
| 1121. |
Solution of the differential equation \((x+3y^2)\frac{dy}{dx} = y(y>0)\) is ______________ |
| A. | x=3y2+cy |
| B. | y=2x2+c |
| C. | x=2y2+\(\frac{c}{y}\) |
| D. | y=3x3+c |
| Answer» B. y=2x2+c | |
| 1122. |
For the differential equation \(\frac{dy}{dx}\) – 3y cotx = sin2x; y=2 when x=\(\frac{\pi}{2}\), its particular solution is ______ |
| A. | y = 2cos2 x + 4cos3 x |
| B. | y = -2sin3 x + 4sin2 x |
| C. | y = -2sin2 x + 4sin3 x |
| D. | y = 4cos2 x + 2sin3 x |
| Answer» D. y = 4cos2 x + 2sin3 x | |
| 1123. |
Solution of the differential equation \(\frac{dy}{dx}\) + y cot x = cosx is ______ |
| A. | \(y cos \,x = \frac{sin^2 x}{2} + c\) |
| B. | \(y sin \,x = \frac{sin^2 x}{2} + c\) |
| C. | \(y sin \,x = \frac{cos^2 x}{4} + c\) |
| D. | \(y cos \,x = -\frac{sin^2 x}{4} + c\) |
| Answer» C. \(y sin \,x = \frac{cos^2 x}{4} + c\) | |
| 1124. |
Mina notices various changes in proteins when they’re subjected to chemical physical change. Which of the following was wrongly understood by her? |
| A. | When egg-white is heated it is irreversibly denatured that is its spatial and molecular arrangement changes |
| B. | When milk is coagulated by acid and heat, protein precipitates which is curd |
| C. | When meat is cooked, protein chains shrink and hence it shrinks |
| D. | Mina perfectly understood all the concepts |
| Answer» E. | |
| 1125. |
Mina’s understanding of proteins in various food items is as given. Which of the following is untrue? |
| A. | The difference in the taste and texture in milk curd and chicken muscle is due to the arrangement of amino acids in the long chains of theirs to form proteins |
| B. | Protein chains are perpendicular in a chicken breast |
| C. | Proteins are changed physically from precipitate to gel and solution or vice-versa |
| D. | Egg-white is an example of gel to precipitate |
| Answer» C. Proteins are changed physically from precipitate to gel and solution or vice-versa | |
| 1126. |
Tina eats a few legumes and walnuts and on some days she has egg with grains and nuts as breakfast. The first set are plant sources and the second a mixture of plant and animal sources. Are both the sets high quality proteins? Does this sentence stand true or False? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1127. |
How many NAND circuits are contained in a 7400 NAND IC? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 8 |
| Answer» D. 8 | |
| 1128. |
Logic gate circuits contain predictable gate functions that open theirs ____________ |
| A. | Outputs |
| B. | Inputs |
| C. | Pre-state |
| D. | Impedance state |
| Answer» C. Pre-state | |
| 1129. |
If we use an AND gate to inhibit a signal from passing one of the inputs must be ___________ |
| A. | LOW |
| B. | HIGH |
| C. | Inverted |
| D. | Floating |
| Answer» B. HIGH | |
| 1130. |
The dependency notation “>=1” inside a block stands for which operation? |
| A. | OR |
| B. | XOR |
| C. | AND |
| D. | XNOR |
| Answer» B. XOR | |
| 1131. |
The basic logic gate whose output is the complement of the input is the ___________ |
| A. | OR gate |
| B. | AND gate |
| C. | INVERTER gate |
| D. | XOR gate |
| Answer» D. XOR gate | |
| 1132. |
Exclusive-OR (XOR) logic gates can be constructed from what other logic gates? |
| A. | OR gates only |
| B. | AND gates and NOT gates |
| C. | AND gates, OR gates, and NOT gates |
| D. | OR gates and NOT gates |
| Answer» D. OR gates and NOT gates | |
| 1133. |
How many truth table entries are necessary for a four-input circuit? |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 16 |
| Answer» E. | |
| 1134. |
A single transistor can be used to build which of the following digital logic gates? |
| A. | AND gates |
| B. | OR gates |
| C. | NOT gates |
| D. | NAND gates |
| Answer» D. NAND gates | |
| 1135. |
Out of the below given methods which of these produce an odour? |
| A. | Sludge drying bed |
| B. | Belt Filter press |
| C. | Centrifuge |
| D. | Recess plate filter press |
| Answer» C. Centrifuge | |
| 1136. |
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 | |
| 1137. |
Out of the below given methods which of these is operated in batch process? |
| A. | Sludge drying bed |
| B. | Belt Filter press |
| C. | Centrifuge |
| D. | Sludge lagoons |
| Answer» C. Centrifuge | |
| 1138. |
What is the percentage of dry solids for the primary sludge assumed at the outlet of aerobic digester? |
| A. | 1-2.5% |
| B. | 7-10.5% |
| C. | 2.5-7% |
| D. | 10.5-12.5% |
| Answer» D. 10.5-12.5% | |
| 1139. |
The figure below represents _______ |
| A. | Aldrop |
| B. | Barrel bolt |
| C. | Latch |
| D. | Flush bolt |
| Answer» E. | |
| 1140. |
Which type of lock is represented in the given figure? |
| A. | Cupboard lock |
| B. | Rim lock |
| C. | Pad lock |
| D. | Mortise lock |
| Answer» B. Rim lock | |
| 1141. |
Which type of handle is represented in the given figure? |
| A. | Bow type |
| B. | Lever handle |
| C. | Wardrobe handle |
| D. | Door handle |
| Answer» C. Wardrobe handle | |
| 1142. |
A and B in the following figure represents _______ |
| A. | Hasp and staple |
| B. | Staple and hasp |
| C. | Hook and eye |
| D. | Eye and hook |
| Answer» B. Staple and hasp | |
| 1143. |
In hook and eye bolt, the hook is fixed to ________ |
| A. | Head of the frame |
| B. | Bottom rail of the shutter |
| C. | Sill of the frame |
| D. | Top rail of the shutter |
| Answer» D. Top rail of the shutter | |
| 1144. |
Which of the following bolts is fixed to the inside of the door? |
| A. | Hook and eye |
| B. | Aldrop |
| C. | Hasp and staple |
| D. | Latch |
| Answer» E. | |
| 1145. |
Which of the following bolts is used to secure high doors? |
| A. | Aldrop |
| B. | Latch |
| C. | Espagnolette bolt |
| D. | Flush bolt |
| Answer» D. Flush bolt | |
| 1146. |
Aldrop is fixed in internal doors. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1147. |
Which of the following bolts is used for fixing back faces of doors? |
| A. | Aldrop |
| B. | Barrel bolt |
| C. | Hasp and staple bolt |
| D. | Hook and eye |
| Answer» C. Hasp and staple bolt | |
| 1148. |
Which of the following hinges are used for swinging doors? |
| A. | Strap hinges |
| B. | Butt hinges |
| C. | Spring hinges |
| D. | Garnet hinges |
| Answer» D. Garnet hinges | |
| 1149. |
By changing the dimensions of the viewport, the _________ and ___________ of the objects being displayed can be manipulated. |
| A. | Number of pixels and image quality |
| B. | X co-ordinate and Y co-ordinate |
| C. | Size and proportions |
| D. | All of these |
| Answer» D. All of these | |
| 1150. |
Drawing of number of copies of the same image in rows and columns across the interface window so that they cover the entire window is called ____________ |
| A. | Roaming |
| B. | Panning |
| C. | Zooming |
| D. | Tiling |
| Answer» E. | |