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This section includes 2374 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
151. |
Which of the following oils is obtained from the seed of rape plant? |
A. | Castor oil |
B. | Colza oil |
C. | Hazel-nut oil |
D. | Olive oil |
Answer» C. Hazel-nut oil | |
152. |
Which of the following oils are obtained by mixing mineral oils with animal or vegetable oils? |
A. | Animal oils |
B. | Mineral oils |
C. | Greases |
D. | Blended oils |
Answer» E. | |
153. |
Which of the following oils is obtained by boiling fats and other parts of cattle with water? |
A. | Lard oil |
B. | Whale oil |
C. | Neat’s foot oil |
D. | Tallow oil |
Answer» D. Tallow oil | |
154. |
Which of the following statements about liquid lubricants is false? |
A. | They should be greasy in nature |
B. | Their melting point should be high |
C. | Their boiling point should be high |
D. | They should not contain any impurities |
Answer» C. Their boiling point should be high | |
155. |
Which of the following is not a solid lubricant? |
A. | Graphite |
B. | Mica |
C. | Grease |
D. | Soapstone |
Answer» D. Soapstone | |
156. |
The coefficient of heat conductivity of heat-insulating materials does not exceed _________ |
A. | 0.18 kcal/m.hr.°C |
B. | 0.28 kcal/m.hr.°C |
C. | 0.38 kcal/m.hr.°C |
D. | 0.48 kcal/m.hr.°C |
Answer» B. 0.28 kcal/m.hr.°C | |
157. |
Which of the following should be added to the plaster of Paris in order to increase its setting time? |
A. | Alum |
B. | Potassium sulphate |
C. | Potassium nitrate |
D. | Citric acid |
Answer» E. | |
158. |
Plaster of Paris is __________ |
A. | Double hydrate of aluminium sulphate |
B. | Double hydrate of calcium sulphate |
C. | Hemihydrate of calcium sulphate |
D. | Hemihydrate of aluminium sulphate |
Answer» D. Hemihydrate of aluminium sulphate | |
159. |
Which of the following statements about gypsum is not correct? |
A. | The final setting time of gypsum is 30 minutes |
B. | The solubility of gypsum in water is very poor |
C. | Gypsum in insoluble in sulphuric acid |
D. | Gypsum is insoluble in hydrochloric acid |
Answer» E. | |
160. |
The percentage content of water and calcium sulphate in gypsum is _______ and _______ respectively. |
A. | 20.9, 79.1 |
B. | 15.4, 84.6 |
C. | 30.7, 69.3 |
D. | 55.3, 44.7 |
Answer» B. 15.4, 84.6 | |
161. |
Which of the following is not a solid fuel? |
A. | Petroleum |
B. | Charcoal |
C. | Coke |
D. | Coal |
Answer» B. Charcoal | |
162. |
Coal gas is obtained by thermal decomposition of coal in the presence of air at low temperature. |
A. | True |
B. | False |
Answer» C. | |
163. |
Which of the following is not a property of a good electrical insulator? |
A. | It has high electrical resistance |
B. | It has a high dielectric strength |
C. | It has a high dielectric constant |
D. | It has a high thermal resistance |
Answer» D. It has a high thermal resistance | |
164. |
The power to resist an electric stress is called as ___________ |
A. | Dielectric strength |
B. | Conduction |
C. | Insulation |
D. | Dielectric |
Answer» B. Conduction | |
165. |
Which of the following does not obey pumping lemma for context free languages ? |
A. | Finite languages |
B. | Context free languages |
C. | Unrestricted languages |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
166. |
What is the pumping length of string of length x? |
A. | x+1 |
B. | x |
C. | x-1 |
D. | x2 |
Answer» B. x | |
167. |
The pumping lemma is often used to prove that a language is: |
A. | Context free |
B. | Not context free |
C. | Regular |
D. | None of the mentioned |
Answer» C. Regular | |
168. |
Which of the following cannot be filled in the blank below?Statement: There are CFLs L1 nad L2 so that ___________is not a CFL. |
A. | L1∩L2 |
B. | L1′ |
C. | L1* |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
169. |
State true or false:Statement: We cannot use Ogden’s lemma when pumping lemma fails. |
A. | true |
B. | false |
Answer» C. | |
170. |
Using pumping lemma, which of the following cannot be proved as ‘not a CFL’? |
A. | {aibici|i>=0} |
B. | {ss|s∈{a,b}*} |
C. | The set legal C programs |
D. | None of the mentioned |
Answer» E. | |
171. |
Which of the expressions correctly is an requirement of the pumping lemma for the context free languages?a) uvnwxnyb) uvnwnxnyc) uv2nwx2nyd) All of the mentioned 3.Let L be a CFL. Then there is an integer n so that for any u that belong to language L satisfying|t|>=n, there are strings u, v, w, x, y and z satisfyingt=uvwxy.Let p be the number of variables in CNF form of the context free grammar. The value of n in terms of p : |
A. | uvnwxnyb) uvnwnxnyc) uv2nwx2nyd) All of the mentioned 3.Let L be a CFL. Then there is an integer n so that for any u that belong to language L satisfying|t|>=n, there are strings u, v, w, x, y and z satisfyingt=uvwxy.Let p be the number of variables in CNF form of the context free grammar. The value of n in terms of p :a) 2p |
B. | uvnwnxnyc) uv2nwx2nyd) All of the mentioned 3.Let L be a CFL. Then there is an integer n so that for any u that belong to language L satisfying|t|>=n, there are strings u, v, w, x, y and z satisfyingt=uvwxy.Let p be the number of variables in CNF form of the context free grammar. The value of n in terms of p :a) 2pb) 2p |
C. | uv2nwx2nyd) All of the mentioned 3.Let L be a CFL. Then there is an integer n so that for any u that belong to language L satisfying|t|>=n, there are strings u, v, w, x, y and z satisfyingt=uvwxy.Let p be the number of variables in CNF form of the context free grammar. The value of n in terms of p :a) 2pb) 2pc) 2p+1 |
D. | All of the mentioned 3.Let L be a CFL. Then there is an integer n so that for any u that belong to language L satisfying|t|>=n, there are strings u, v, w, x, y and z satisfyingt=uvwxy.Let p be the number of variables in CNF form of the context free grammar. The value of n in terms of p :a) 2pb) 2pc) 2p+1d) p2View Answer |
Answer» C. uv2nwx2nyd) All of the mentioned 3.Let L be a CFL. Then there is an integer n so that for any u that belong to language L satisfying|t|>=n, there are strings u, v, w, x, y and z satisfyingt=uvwxy.Let p be the number of variables in CNF form of the context free grammar. The value of n in terms of p :a) 2pb) 2pc) 2p+1 | |
172. |
Which of the following is called Bar-Hillel lemma? |
A. | Pumping lemma for regular language |
B. | Pumping lemma for context free languages |
C. | Pumping lemma for context sensitive languages |
D. | None of the mentioned |
Answer» C. Pumping lemma for context sensitive languages | |
173. |
RQ is _____________ |
A. | Ratio of CO2 produced to substrate consumed |
B. | Ratio of CO2 produced to O2 consumed |
C. | Ratio of oxygen consumed to CO2 produced |
D. | Ratio of oxygen consumed to water produced |
Answer» C. Ratio of oxygen consumed to CO2 produced | |
174. |
Which of the following Produces maximum ATP? |
A. | Krebs cycle |
B. | Glycolysis |
C. | Fermentation |
D. | Oxidative Phosphorylation |
Answer» E. | |
175. |
Which one of the following mammalian cells are not capable of metabolizing glucose to carbon dioxide aerobically? |
A. | RBC |
B. | WBC |
C. | Liver cells |
D. | Unstraited muscle cells |
Answer» B. WBC | |
176. |
Respiration is controlled by _________ |
A. | Cerebrum |
B. | Cerebellum |
C. | Medulla oblongata |
D. | Hypothalamus |
Answer» D. Hypothalamus | |
177. |
The __________ portion of LAN management software restricts access, records user activities and audit data, etc. |
A. | Configuration management |
B. | Security management |
C. | Performance management |
D. | Recovery management |
Answer» C. Performance management | |
178. |
A standalone program that has been modified to work on a LAN by including concurrency controls such as file and record locking is an example of ___________ |
A. | LAN intrinsic software |
B. | LAN aware software |
C. | Groupware |
D. | LAN ignorant software |
Answer» B. LAN aware software | |
179. |
With respect to physical media, STP cables stands for _________ |
A. | Shielded Twisted Pair Cable |
B. | Spanning Tree Protocol Cable |
C. | Static Transport Protocol Cable |
D. | Shielded Two Power Cable |
Answer» B. Spanning Tree Protocol Cable | |
180. |
The condition of a while loop cannot be given in ________ |
A. | () |
B. | [] |
C. | {} |
D. | <> |
Answer» D. <> | |
181. |
What is the nature of the error in the following statement? |
A. | Incomplete |
B. | Unexpected operator |
C. | Invalid keyword |
D. | No errorView Answer |
Answer» B. Unexpected operator | |
182. |
The number of iterations in the following loop is |
A. | 0 |
B. | 1 |
C. | 3 |
D. | 4View Answer |
Answer» E. | |
183. |
The for loop performs at least ___ iteration/s. |
A. | 1 |
B. | not necessarily an iteration |
C. | 2 |
D. | Error |
Answer» C. 2 | |
184. |
Turning point is also called _____ |
A. | intermediate point |
B. | level point |
C. | change point |
D. | end point |
Answer» D. end point | |
185. |
If the back sight and fore sight distances are balanced, the elevation between two points is equal to the difference between the rod readings taken to the two points and correction for curvature and refraction is necessary. |
A. | True |
B. | False |
Answer» C. | |
186. |
If the staff reading at point A = ha and at a point B = hb. The correct staff reading should have been Ha and Hb, where Ha = ha – ha’ and Hb = hb – hb’ then the correction difference in elevation between A and B is given by ____________ |
A. | ha – hb – ha’ + hb’ |
B. | ha + hb + ha’ + hb’ |
C. | Ha – Hb + ha’ – hb’ |
D. | Ha + Hb |
Answer» B. ha + hb + ha’ + hb’ | |
187. |
If the observed back sight and fore sight are x1 and x2. The correction back sight on A will be equal to x1-y1, where y1= D1 tan i°. The correct fore sight on B will be equal to x2-y2 where, y2 = D2 tan i°. Then what is the correction difference in level between A and B, if D1 = D2? |
A. | x1 – x2 |
B. | x2 + x1 |
C. | x1 – x2 + (D2 tan i° – D1 tan i°) |
D. | x2 – x1 + (D1tan i° + D2 tan i°) |
Answer» B. x2 + x1 | |
188. |
If the observed back sight and fore sight are x1 and x2. The correction back sight on A will be equal to x1-y1, where y1= D1 tan i°. The correct fore sight on B will be equal to x2-y2 where, y2 = D2 tan i°. Then what is the correction difference in level between A and B. |
A. | x1 – x2 |
B. | x2 – x1 |
C. | x1 – x2 + (D2 tan i° – D1 tan i°) |
D. | x2 – x1 + (D1tan i° + D2 tan i°) |
Answer» D. x2 – x1 + (D1tan i° + D2 tan i°) | |
189. |
By balancing back sight and fore sight error due to curvature can be eliminated. |
A. | True |
B. | False |
Answer» B. False | |
190. |
Which of the following is not true about friction stir welding? |
A. | It is a solid state process |
B. | Fine grained structures can be obtained |
C. | It eliminates friction welding problems |
D. | It alters the chemical composition of the workpiece |
Answer» E. | |
191. |
Which of the following processes can be used as alternative technique for joining aluminium and its alloys? |
A. | Tungsten inert-gas welding |
B. | Metal inert-gas welding |
C. | Friction stir welding |
D. | Oxy-Acetylene flame technique |
Answer» D. Oxy-Acetylene flame technique | |
192. |
Aluminium is difficult to friction weld because of _____ |
A. | ductility |
B. | softness |
C. | micro porosity |
D. | heat reflectivity |
Answer» D. heat reflectivity | |
193. |
Friction welding process is restricted to_____ |
A. | square bars |
B. | round bars |
C. | hexagonal bars |
D. | bars having diameters less than 20mm |
Answer» C. hexagonal bars | |
194. |
The use of sealing compounds for vertical joints is very successful. |
A. | True |
B. | False |
Answer» C. | |
195. |
What is the most common metal used for water stops? |
A. | Monel metal |
B. | Annealed copper |
C. | Galvanised iron |
D. | Steel |
Answer» C. Galvanised iron | |
196. |
In case of the sealing joint, the lower part of the joint is occupied by joint filler. |
A. | True |
B. | False |
Answer» C. | |
197. |
Joint sealing compounds are impermeable ductile materials which are required to ___________________ |
A. | increase the bond |
B. | provide a watertight seal by adhesion to concrete |
C. | shorten the water path |
D. | avoid the risk of a fault in an embedded water bar |
Answer» C. shorten the water path | |
198. |
Which of the following is sometimes used in expansion joints to avoid the risk of fault in an embedded water bar? |
A. | Joint fillers |
B. | Joint sealers |
C. | Joint covers plates |
D. | Water stops |
Answer» D. Water stops | |
199. |
What provides a permanent watertight seal during the whole range of joint movement? |
A. | Water bars |
B. | Joint fillers |
C. | Joint covers plates |
D. | Joint sealers |
Answer» B. Joint fillers | |
200. |
Which of the following can be used as support for an effective joint sealing compound in floor and floor joints? |
A. | Joint fillers |
B. | Water bars |
C. | Joint sealers |
D. | Primers |
Answer» B. Water bars | |