Explore topic-wise MCQs in Embedded Systems.

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