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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.
| 1151. |
Panning is a technique in which users can change the size of the area to be viewed in order to see more detail or less detail. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1152. |
The object space or the space in which the application model is defined is called ____________ |
| A. | World co-ordinate system |
| B. | Screen co-ordinate system |
| C. | World window |
| D. | Interface window |
| Answer» B. Screen co-ordinate system | |
| 1153. |
He, Ne, Ar all are |
| A. | Inert gas |
| B. | Reactive gas |
| C. | Ideal gas |
| D. | None of the mentioned |
| Answer» B. Reactive gas | |
| 1154. |
What is weight percentage of Ne? |
| A. | 0.3125 |
| B. | 0.4125 |
| C. | 0.5125 |
| D. | 0.6125 |
| Answer» B. 0.4125 | |
| 1155. |
What is the mole fraction of Ar? |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.6 |
| D. | 0.8 |
| Answer» B. 0.4 | |
| 1156. |
What is the mole fraction of Ne? |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.6 |
| D. | 0.8 |
| Answer» C. 0.6 | |
| 1157. |
How many moles of Ar are there in the cylinder? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| Answer» B. 2 | |
| 1158. |
A cylinder contains 8 gms of He, 40 gms of Ne and 80 gms of Ar. (Molecular weights of the components are 4, 20 and 40 respectively)1. How many moles of He are there in the cylinder? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 6View Answer |
| Answer» C. 4 | |
| 1159. |
Let P, Q, R be true, false, false, respectively, which of the following is true? |
| A. | P∧(Q∧~R) |
| B. | (P->Q)∧~R |
| C. | Q<->(P∧R) |
| D. | P<->(QvR) |
| Answer» D. P<->(QvR) | |
| 1160. |
The statement (~PQ)∧~Q is true when? |
| A. | P: True Q: False |
| B. | P: True Q: True |
| C. | P: False Q: True |
| D. | P: False Q: False |
| Answer» B. P: True Q: True | |
| 1161. |
Consider the following statements.A: Raju should exercise.B: Raju is not a decent table tennis player.C: Raju wants to play good table tennis.The symbolic form of “Raju is not a decent table tennis player and if he wants to play good table tennis then he should exercise.” is?a) A->B->Cb) B∧(C-> |
| A. | A->B->C |
| B. | B∧(C->A) |
| C. | C->B∧A |
| D. | B<->A∧C |
| Answer» C. C->B∧A | |
| 1162. |
“Match will be played only if it is not a humid day.” The negation of this statement is? |
| A. | Match will be played but it is a humid day |
| B. | Match will be played or it is a humid day |
| C. | All of the mentioned statement are correct |
| D. | None of the mentioned |
| Answer» B. Match will be played or it is a humid day | |
| 1163. |
Let P, Q, R be true, false true, respectively, which of the following is true? |
| A. | P∧Q∧R |
| B. | P∧~Q∧~R |
| C. | Q->(P∧R) |
| D. | P->(Q∧R) |
| Answer» D. P->(Q∧R) | |
| 1164. |
Let P: We give a nice overall squad performance, Q: We will win the match.Then the symbolic form of “We will win the match if and only if we give a nice overall squad performance.“ is? |
| A. | P v Q |
| B. | Q ∧ P |
| C. | Q<->P |
| D. | ~P v Q |
| Answer» D. ~P v Q | |
| 1165. |
The statement which is logically equivalent to A∧ (and) B is? |
| A. | A->B |
| B. | ~A ∧ ~ B |
| C. | A ∧ ~B |
| D. | B is?a) A->Bb) ~A ∧ ~ Bc) A ∧ ~Bd) ~(A->~B) |
| Answer» E. | |
| 1166. |
The compound statement A-> (A->B) is false, then the truth values of A, B are respectively _________ |
| A. | T, T |
| B. | F, T |
| C. | T, F |
| D. | F, F |
| Answer» D. F, F | |
| 1167. |
Let P and Q be statements, then PQ is logically equivalent to __________ |
| A. | P<->~Q |
| B. | ~P<->Q |
| C. | ~P<->~Q |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 1168. |
Which of the following is not a machine controlled instruction? |
| A. | HLT |
| B. | CLC |
| C. | LOCK |
| D. | ESC |
| Answer» C. LOCK | |
| 1169. |
NOP instruction introduces |
| A. | Address |
| B. | Delay |
| C. | Memory location |
| D. | None of the mentioned |
| Answer» C. Memory location | |
| 1170. |
Which instruction cannot force the 8086 processor out of ‘halt’ state? |
| A. | Interrupt request |
| B. | Reset |
| C. | Both interrupt request and reset |
| D. | Hold |
| Answer» E. | |
| 1171. |
The instruction that unconditionally transfers the control of execution to the specified address is |
| A. | CALL |
| B. | JMP |
| C. | RET |
| D. | IRET |
| Answer» C. RET | |
| 1172. |
The instructions that are used to call a subroutine from the main program and return to the main program after execution of called function are |
| A. | CALL, JMP |
| B. | JMP, IRET |
| C. | CALL, RET |
| D. | JMP, RET |
| Answer» D. JMP, RET | |
| 1173. |
Match the following |
| A. | A-3,B-4,C-2,D-1 |
| B. | A-2,B-1,C-4,D-3 |
| C. | A-2,B-3,C-1,D-4 |
| D. | A-2,B-3,C-4,D-1View Answer |
| Answer» E. | |
| 1174. |
The mnemonic that is placed before the arithmetic operation is performed is |
| A. | AAA |
| B. | AAS |
| C. | AAM |
| D. | AAD |
| Answer» E. | |
| 1175. |
Why is attrition test performed? |
| A. | To find resistance to scratch |
| B. | To find resistance to weathering |
| C. | To find resistance to wear |
| D. | To find resistance to dressing |
| Answer» D. To find resistance to dressing | |
| 1176. |
What are the specifications for tamping rod used in impact test? |
| A. | 16 mm steel rod with rounded end |
| B. | 16 mm steel rod with square face |
| C. | 16 mm copper rod with rounded end |
| D. | 16 mm copper rod with square face |
| Answer» B. 16 mm steel rod with square face | |
| 1177. |
Which of the below given formulas is used to calculate hardness coefficient? |
| A. | (Final hardness / initial hardness) × 100% |
| B. | 20 – (loss in weight / 2) |
| C. | 20 – (loss in weight / 3) |
| D. | ((20 – loss in weight) / 3) × 100% |
| Answer» D. ((20 – loss in weight) / 3) × 100% | |
| 1178. |
Why CaSO4 is not used in the crystallisation test? |
| A. | Costly compound |
| B. | Low solubility in water |
| C. | Increases time taken for test |
| D. | Releases toxic fumes |
| Answer» C. Increases time taken for test | |
| 1179. |
Which stone has a hardness of 7 in the Mohr’s hardness scale? |
| A. | Quartz |
| B. | Calcite |
| C. | Gypsum |
| D. | Topaz |
| Answer» B. Calcite | |
| 1180. |
Which test is used to find the rate of wear of stones? |
| A. | Crushing test |
| B. | Abrasion test |
| C. | Attrition test |
| D. | Acid test |
| Answer» D. Acid test | |
| 1181. |
In a DAC the input is ______ and the output is ______ |
| A. | analog, digital |
| B. | current, voltage |
| C. | digital, analog |
| D. | analog, current |
| Answer» D. analog, current | |
| 1182. |
The output of a DAC0808 is in the form of ____________ |
| A. | electrical pulse |
| B. | current |
| C. | voltage |
| D. | all of the mentioned |
| Answer» C. voltage | |
| 1183. |
Which of the following is correct about the word resolution in ADC DAC converters in AVR’s? |
| A. | it is the smallest change that can be described by an ADC |
| B. | it is equal to Vref/2n (where n represents the number of bits) |
| C. | it is 0.076mV or 76uV for n=16 and Vref=5V |
| D. | all of the mentioned |
| Answer» E. | |
| 1184. |
What is the use of (WRITE ‘Argument)? |
| A. | It converts argument in small letters to capital letters |
| B. | It returns capital letters from the string |
| C. | Same as (write ‘argument) |
| D. | It converts the string into alphabetical order/sequence |
| Answer» D. It converts the string into alphabetical order/sequence | |
| 1185. |
If S1, S2, S3… are S-expressions then list: (S1 S2 S3 ….) is a/an ____ |
| A. | Atom |
| B. | Error will occur |
| C. | S-expression |
| D. | Primitive |
| Answer» D. Primitive | |
| 1186. |
The low voltage windings are generally divided into 2 types. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 1187. |
How many total high voltage windings are present? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 1188. |
The current density in relatively better cooled outer winding is made 10 percent greater than the inner winding. |
| A. | true |
| B. | false |
| Answer» C. | |
| 1189. |
What is the condition for minimum loss condition? |
| A. | current density in primary < current density in secondary |
| B. | current density in primary > current density in secondary |
| C. | current density in primary = current density in secondary |
| D. | current density in primary >= current density in secondary |
| Answer» D. current density in primary >= current density in secondary | |
| 1190. |
What is the formula for the number of turns in primary winding? |
| A. | number of turns of primary winding = Voltage of primary windings * voltage per turn |
| B. | number of turns of primary winding = Voltage of primary windings/voltage per turn |
| C. | number of turns of primary winding = Voltage of secondary windings * voltage per turn |
| D. | number of turns of primary winding = Voltage of secondary windings/voltage per turn |
| Answer» C. number of turns of primary winding = Voltage of secondary windings * voltage per turn | |
| 1191. |
Gabriel’s horn is formed when the curve ____________ is revolved around x-axis for x≥1. |
| A. | y = x |
| B. | y = 1 |
| C. | y = 0 |
| D. | y = 1/x |
| Answer» E. | |
| 1192. |
What is the volume of the sphere of radius ‘a’? |
| A. | \(\frac{4}{3} πa \) |
| B. | 4πa |
| C. | \(\frac{4}{3} πa^2 \) |
| D. | \(\frac{4}{3} πa^3 \) |
| Answer» E. | |
| 1193. |
What is the volume generated when the region surrounded by y = \(\sqrt{x}\), y = 2 and y = 0 is revolved about y – axis? |
| A. | 32π cubic units |
| B. | \(\frac{32}{5} \) cubic units |
| C. | \(\frac{32π}{5}\) cubic units |
| D. | \(\frac{5π}{32} \) cubic units |
| Answer» D. \(\frac{5π}{32} \) cubic units | |
| 1194. |
What is the volume generated when the ellipse \(\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1\) is revolved about its minor axis? |
| A. | 4 ab cubic units |
| B. | \(\frac{4}{3} a^2 b \) cubic units |
| C. | \(\frac{4}{3} ab \) cubic units |
| D. | 4 cubic units |
| Answer» C. \(\frac{4}{3} ab \) cubic units | |
| 1195. |
The volume of solid of revolution when rotated along y-axis is given as ________ |
| A. | \(\int_a^b πy^2 dx \) |
| B. | \(\int_a^b πy^2 dy \) |
| C. | \(\int_a^b πx^2 dx \) |
| D. | \(\int_a^b πx^2 dy \) |
| Answer» E. | |
| 1196. |
The volume of solid of revolution when rotated along x-axis is given as _____________ |
| A. | \(\int_a^b πy^2 dx \) |
| B. | \(\int_a^b πy^2 dy \) |
| C. | \(\int_a^b πx^2 dx \) |
| D. | \(\int_a^b πx^2 dy \) |
| Answer» B. \(\int_a^b πy^2 dy \) | |
| 1197. |
State true or false:Statement: RAM model allows random access to indexed memory locations. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 1198. |
Fill in the blank with the most appropriate option.Statement: In theory of computation, abstract machines are often used in ___________ regarding computability or to analyze the complexity of an algorithm. |
| A. | thought experiments |
| B. | principle |
| C. | hypothesis |
| D. | all of the mentioned |
| Answer» E. | |
| 1199. |
‘a’ in a-machine is : |
| A. | Alan |
| B. | arbitrary |
| C. | automatic |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 1200. |
A turing machine is a |
| A. | real machine |
| B. | abstract machine |
| C. | hypothetical machine |
| D. | more than one option is correct |
| Answer» E. | |