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.

801.

6,6 Nylon is manufactured from ____________

A. polyethylene
B. polyester
C. adipic acid
D. sulfuric acid
Answer» D. sulfuric acid
802.

What are the series of steps involved in viscose process?

A. Alkali conversion-Solubilization-Acid regeneration
B. Acid regeneration-Solubilization-Alkali conversion
C. Solubilization-Acid Regeneration-Alkali conversion
D. Acid Regeneration-Alkali conversion-Solubilization
Answer» B. Acid regeneration-Solubilization-Alkali conversion
803.

How is cellulose manufactured in industry?

A. Xanthate process
B. Contact process
C. Monte carteni process
D. Natural process
Answer» B. Contact process
804.

Which is the most commonly used dying fibre?

A. Rayon
B. Nylon
C. Polyester
D. Viscose
Answer» C. Polyester
805.

What is the main raw material of Viscose rayon?

A. Bagasse
B. Sugar
C. Wood pulp
D. Polyester
Answer» D. Polyester
806.

Viscose is a weak fibre.

A. True
B. False
Answer» B. False
807.

Which among the following is known as poor man’s silk?

A. Wool
B. Cotton
C. Linen
D. Viscose
Answer» E.
808.

Which sector of textile industry is called worsted industry?

A. Cotton
B. Linen
C. Wool
D. Nylon
Answer» D. Nylon
809.

How is synthetic polymeric fibres made?

A. Spinning
B. Weaving
C. Filamenting
D. Attrition
Answer» B. Weaving
810.

What are synthetic polymeric fibres?

A. Multifunctional monomers forming three or more active covalent bonds
B. Linear chains joined one to another at various positions
C. Linear molecules formed by extrusion
D. Polymers with side branches
Answer» D. Polymers with side branches
811.

Which of the following is occluding junction?

A. Adherence junction
B. Desmosomes
C. Tight junction
D. Gap junction
Answer» D. Gap junction
812.

Which of the following take part in relaxation of muscles?

A. Nebulin
B. Titin
C. Tropomodulin
D. Myomesin
Answer» C. Tropomodulin
813.

Cell shape and cellular motility is determined by the ___________

A. Centrioles
B. Intermediate filament
C. Microtubule
D. Microfilaments
Answer» D. Microfilaments
814.

Trepanning is feasible for hard materials.

A. true
B. false
Answer» C.
815.

Which of the following is a pipe like cutting tool?

A. center drill
B. half round drill
C. gun drill
D. none of the mentioned
Answer» E.
816.

In half round drill, base is weak.

A. true
B. false
Answer» C.
817.

How many flutes are there in half round drill and gun drill?

A. one
B. two
C. may be one or two
D. none of the mentioned
Answer» D. none of the mentioned
818.

According to specific use, drill can be classified as______

A. center drill
B. step drill
C. both center drill and step drill
D. none of the mentioned
Answer» D. none of the mentioned
819.

What is the mass balance in complete setup in this backward feed evaporator?

A. F=P1+E1
B. P3=P1+S1
C. F=P3+E1
D. F=P1+E3
Answer» E.
820.

What is the Evaporator economy of the 1st effect if we evaporate 10kg/hr of water from a feed of 50kg/hr at a temperature of 25oC to a final temperature of 100oC in an hour in a triple effect forward feed evaporator which has steam supply of 25kg/hr? Given the concentration changes from a value of 0.3 to 0.55 in the 1st effect of the setup.Latent heat of vaporization of water = 2,260 kJ/kgSpecific heat capacity = 6 KJ/Kg K

A. 95%
B. 91%
C. 68%
D. 33%
Answer» C. 68%
821.

We have a triple effect evaporator which has steam supply of 5kg/hr, the setup is a forward pass setup, the feed enters the 1st setup at 10kg/hr of 50% concentration and leaves the final effect at 75% concentration. What is the economy of this setup?

A. 65%
B. 66%
C. 68%
D. 33%
Answer» C. 68%
822.

Which type of feeding is supposed to give maximum economy to a particular consumption?

A. Forward feed
B. Backward feed
C. Parallel feed
D. Mixed feed
Answer» C. Parallel feed
823.

The formula for the economy of the evaporator does not depend on the type of feeding.

A. True
B. False
Answer» B. False
824.

Carry out the mass balance on the 1st effect of the following setup.

A. P3 = P1+E1
B. P3 = P1+S1
C. P1 = P3+E1
D. P = P1+E1
Answer» B. P3 = P1+S1
825.

We have a triple effect evaporator which has steam supply of 5kg/hr, the setup is a forward pass setup, feed enters the 1st setup at 10kg/hr of 50% concentration and leaves the final effect at 75% concentration. What is the product discharged from this setup?

A. 6.67kg/hr
B. 3.33kg/hr
C. 10kg/hr
D. 11kg/hr
Answer» B. 3.33kg/hr
826.

We have a triple effect evaporator which has steam supply of 5kg/hr, the setup is a forward pass setup, feed enters the 1st setup at 10kg/hr of 50% concentration and leaves the final effect at 75% concentration. What is the evaporate discharged if the total evaporate from 1st and 2nd effect are 2kg/hr and 1kg/hr respectively?

A. 6.67 kg/hr
B. 3.33 kg/hr
C. 0.36 kg/hr
D. 0.33 kg/hr
Answer» E.
827.

What is the economy of the 3rd effect in the following mixed feed evaporator?

A. ∈ = S/(E1+E2+E3)
B. ∈ = E1/(E1+E2+E3)
C. ∈ = E3/E2
D. ∈ = E2/E1
Answer» D. ∈ = E2/E1
828.

What is the economy of the given Forward feed evaporator?

A. ∈ = S /(E1+E2+E3)
B. ∈ = E1/(E1+E2+E3)
C. ∈ = E3/E2
D. ∈ = E2/E1
Answer» E.
829.

In the given setup, what is the capacity of the 2nd effect of this parallel feed evaporator?

A. E1 + E2 + E3
B. E3
C. E2
D. E1 + E2
Answer» B. E3
830.

In the given setup, what is the capacity of this forward feed evaporator?

A. E1 + E2 + E3
B. E3
C. E1
D. E1 + E2
Answer» B. E3
831.

The non scouring velocity required for cast iron sewer pipes is __________

A. 50cm/Sec
B. 350cm/Sec
C. 160cm/Sec
D. 220cm/Sec
Answer» C. 160cm/Sec
832.

The non scouring velocity is 260cm/Sec. The type of material of the sewer is __________

A. Earth channels
B. Stone ware sewers
C. Brick lined sewer
D. Cement concrete sewer
Answer» E.
833.

The self cleansing velocity required for coarse sand is __________

A. 10cm/Sec
B. 20cm/Sec
C. 30cm/Sec
D. 40cm/Sec
Answer» C. 30cm/Sec
834.

The expression for the self cleansing velocity is given by ____________

A. (8*B* (G-1) *g*d/f)1/3
B. (8*B* (G-1) *g*d/f) 2
C. (8*B* (G-1) *g*d/f)
D. (8*B* (G-1) *g*d/f)1/2
Answer» E.
835.

_______ is the velocity at which the solid matter in sewage remained in suspended form.

A. Settling velocity
B. Self cleansing velocity
C. Mean velocity
D. Non Scouring velocity
Answer» C. Mean velocity
836.

In wire cut EDM, machine movement is accomplished with precision lead screws with recirculating ball bearings.

A. True
B. False
Answer» B. False
837.

The de-ionised water is used for flush away the burr as well as to cool the workpiece.

A. True
B. False
Answer» B. False
838.

The heat of each electrical spark generated during machining is around_____ Fahrenheit

A. 1,000° to 2,000°
B. 1,100° to 5,000°
C. 10,000° to 12,000°
D. 15,000° to 21,000°
Answer» E.
839.

Which of the following materials is not machined by wire cut EDM?

A. Inconel
B. Graphite
C. Tool steel
D. Hastaloy
Answer» E.
840.

Fining is an agent for inhibiting sedimentation.

A. True
B. False
Answer» C.
841.

Krausen is the cauliflower head formed during active fermentation.

A. True
B. False
Answer» B. False
842.

What do you mean by Racking?

A. Removal of sweet wort
B. Inoculation of wort with yeast
C. Separation of green beer of yeast
D. Method of raising the temperature
Answer» D. Method of raising the temperature
843.

Lager is a ____________

A. Period of low-temperature
B. The vessel used for boiling
C. Cauliflower head
D. Style of beer
Answer» E.
844.

Carrageenan is ______________

A. Polysaccharide
B. Monosaccharide
C. Trisaccharide
D. Disaccharide
Answer» B. Monosaccharide
845.

What do you mean by cold conditioning?

A. High-temperature storage
B. Low-temperature storage
C. Low-pressure storage
D. High-pressure storage
Answer» C. Low-pressure storage
846.

Which of the following results in a decrease in specific gravity of wort?

A. Attenuation
B. Ageing
C. Cropping
D. Hopping
Answer» B. Ageing
847.

Ale is ____________

A. A carbohydrate source
B. A beer brewed from malted barley
C. A flavour imparting substance
D. A yeast
Answer» C. A flavour imparting substance
848.

Which of the following is the process of maturation?

A. Malting
B. Mashing
C. Ageing
D. Attenuation
Answer» D. Attenuation
849.

Who concluded that a normal 12° Plato wort required minimum FAM concentration of 160 m/l?

A. Casey and Ingledew
B. Hermia and Schaus
C. Buhler and Copper
D. Copper and Schaus
Answer» B. Hermia and Schaus
850.

Which of the following effects the yeast?

A. The high concentration of wort
B. Low concentration of wort
C. High precipitation of protein
D. Low precipitation of protein
Answer» B. Low concentration of wort