MCQOPTIONS
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MCQOPTIONS
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.
| 751. |
The colour of dye metal complex and dye are ___________ |
| A. | Same |
| B. | Different |
| C. | Same in only some cases |
| D. | Cannot be known |
| Answer» C. Same in only some cases | |
| 752. |
EDTA has the ability to form _________ with metal ions. |
| A. | Stable complexes |
| B. | Unstable complexes |
| C. | Salts |
| D. | Acids |
| Answer» B. Unstable complexes | |
| 753. |
The indicator used in the EDTA method is ___________ |
| A. | Benzene |
| B. | Phenopthalene |
| C. | Ethylene diamine |
| D. | Erichrome black T |
| Answer» E. | |
| 754. |
EDTA method is also called as _________ |
| A. | Complexometric titration |
| B. | Complex titration |
| C. | Complement titration |
| D. | Complexion titration |
| Answer» B. Complex titration | |
| 755. |
Estimation of hardness can be determined by ________ types. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 756. |
In single line section creep is developed in direction of Predominant Traffic. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 757. |
How does limited quantities of ballast contribute to development of creep? |
| A. | By offering limited ballast resistance |
| B. | By offering excess ballast resistance |
| C. | By increasing drainage |
| D. | Limited quantity of ballast helps in decreasing creep |
| Answer» B. By offering excess ballast resistance | |
| 758. |
In which direction creep is developed in double line section? |
| A. | Opposite to the direction of Traffic |
| B. | In the direction if Traffic |
| C. | In both directions |
| D. | Arbitrary direction |
| Answer» C. In both directions | |
| 759. |
How is creep caused because of Starting operation of locomotive? |
| A. | Because of backward thrust |
| B. | Forward pushing of rail |
| C. | Expansion of rail |
| D. | Contraction of rail |
| Answer» B. Forward pushing of rail | |
| 760. |
Which theory states the formation of creep because of backward thrust? |
| A. | Drag theory |
| B. | Percussion theory |
| C. | Moving loads theory |
| D. | Joint rail theory |
| Answer» B. Percussion theory | |
| 761. |
What causes creep in rails according to Percussion theory? |
| A. | Moving loads |
| B. | Impact of wheels at rail end |
| C. | Faulty arrangements |
| D. | Manufacturing defects |
| Answer» C. Faulty arrangements | |
| 762. |
According to wave motion theory what causes creep of rail? |
| A. | Moving loads |
| B. | Stationary loads |
| C. | Faulty rails |
| D. | Poor maintenance |
| Answer» B. Stationary loads | |
| 763. |
The leakage flux on the top of the slot is through iron, which is called ‘bridge’? |
| A. | true |
| B. | false |
| Answer» B. false | |
| 764. |
What is the formula of the effective permeance of conductor portion? |
| A. | effective permeance of conductor portion = 1/total flux linkages * total turns * total mmf |
| B. | effective permeance of conductor portion = total flux linkages / total turns * total mmf |
| C. | effective permeance of conductor portion = total flux linkages * total turns * total mmf |
| D. | effective permeance of conductor portion = total flux linkages * total turns / total mmf |
| Answer» C. effective permeance of conductor portion = total flux linkages * total turns * total mmf | |
| 765. |
What is the formula of the permeance of the strip in the conductor portion? |
| A. | permeance of the strip = permeability in air * area of the flux path * length of flux path |
| B. | permeance of the strip = permeability in air / area of the flux path * length of flux path |
| C. | permeance of the strip = permeability in air * area of the flux path / length of flux path |
| D. | permeance of the strip =1 / permeability in air * area of the flux path * length of flux path |
| Answer» D. permeance of the strip =1 / permeability in air * area of the flux path * length of flux path | |
| 766. |
What are the factors the slot leakage permeance will depend upon? |
| A. | shape of the slot |
| B. | arrangement of winding in the slot |
| C. | number of windings |
| D. | shape of the slot and arrangement of winding in the slot |
| Answer» E. | |
| 767. |
How many assumptions can be used for the slot leakage calculation? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 768. |
What is the value of constant ‘a’ in the core part of the ac machines? |
| A. | 4.7 |
| B. | 6.5 |
| C. | 6.7 |
| D. | 2.3 |
| Answer» B. 6.5 | |
| 769. |
What is the other name for the iron loss? |
| A. | field loss |
| B. | armature loss |
| C. | winding loss |
| D. | core loss |
| Answer» E. | |
| 770. |
Repeated freezing and melting of fire clay can improve the plasticity of the clay material. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 771. |
Ball clay is a type of clay which has zero percent moisture or water content in it. |
| A. | True |
| B. | False |
| Answer» C. | |
| 772. |
Palygorskite and sepiolite clay minerals generally have similar fibrous structures. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 773. |
The attraction of clay minerals with water is a surface phenomenon which is called absorption. |
| A. | True |
| B. | False |
| Answer» C. | |
| 774. |
Which of the following materials presents in clay which imparts plasticity in it? |
| A. | Silica |
| B. | Phyllosilicates |
| C. | Calcium |
| D. | Sodium |
| Answer» C. Calcium | |
| 775. |
A three phase transmission line is having a three unit suspension insulation string. The voltage at the insulator unit nearest to the line is 20kV and that across the adjacent unit is 15 kV. The ratio of mutual to ground capacitance is ________________ |
| A. | 0.18 |
| B. | 0.2 |
| C. | 0.333 |
| D. | 0.16 |
| Answer» B. 0.2 | |
| 776. |
A system consists of an alternator having reactance of 0.5pu connected to an infinite bus through a series of reactance of 1 pu. The generator terminal voltage of IBB is 1 pu and that of 1.2 pu. The emf induced in the alternator will have the phase difference with respect to reference for the maximum power transfer is _______________ |
| A. | 90 |
| B. | 0 |
| C. | 73.87 |
| D. | 86.25 |
| Answer» B. 0 | |
| 777. |
A system consists of an alternator having reactance of 0.5pu connectedto an infinite bus through a series of reactance of 1 pu. The generator terminal voltage of IBB is 1 pu and that of 1.2 pu.The emf induced in the alternator for the maximum power transfer will be __________ |
| A. | 1.729 |
| B. | 1.152 |
| C. | 1.2 |
| D. | 1.6 |
| Answer» B. 1.152 | |
| 778. |
A system consists of an alternator having reactance of 0.5pu connected to an infinite bus through a series of reactance of 1 pu. The generator terminal voltage of IBB is 1 pu and that of 1.2 pu. The Steady state occurs at power angle of ________degree. |
| A. | 0 |
| B. | 90 |
| C. | 180 |
| D. | 45 |
| Answer» B. 90 | |
| 779. |
A generator delivers power of 1 pu to an infinite bus through a purely reactive network. The maximum power that could be delivered by generator is 2 pu. A three phase fault occurs at the generator which reduces the generator output to zero. The fault is restored after ‘tc’ seconds. The maximum swing of rotor angle is found to be δmax = 110o electrical. The rotor angle at ‘tc’ is ________ electrical deg. |
| A. | 69.14o |
| B. | 159.14o |
| C. | 63.08o |
| D. | 65.7o |
| Answer» B. 159.14o | |
| 780. |
A single core cable is graded by using three dielectrics with relative permittivity 5,4,3 respectively. The diameter of the conductor is 2cm and the overall diameter is 8 cm. If the three dielectric work at the same maximum stress of 40kV/cm, then the safe working rms voltage of cable is ______ kV |
| A. | 57.72 |
| B. | 81.63 |
| C. | 84.67 |
| D. | 71.63 |
| Answer» B. 81.63 | |
| 781. |
For a given system consisting of two generatorsUnits Rating(MW) Speed Drop(%R)1. 400 0.042. 800 0.05The units share load of P1=200MW and P2=600MW. The units are operating in parallel to share a load of 700 MW at 50 HZ. The load is increased by 130MW with B=0. Then the value new steady state frequency variation is ______________ |
| A. | 49.75 Hz |
| B. | 51.25 Hz |
| C. | 49.25 Hz |
| D. | 48.75 Hz |
| Answer» B. 51.25 Hz | |
| 782. |
What is the dielectric strength of a transformer oil? |
| A. | 1 kV |
| B. | 35 kV |
| C. | 100 kV |
| D. | 330 kV |
| Answer» C. 100 kV | |
| 783. |
Function of transformer is to _________________ |
| A. | Convert AC to DC |
| B. | Convert DC to AC |
| C. | Step down or up the DC voltages and currents |
| D. | Step down or up the AC voltages and currents |
| Answer» E. | |
| 784. |
Transformer ratings are given in _____________ |
| A. | kW |
| B. | kVAR |
| C. | HP |
| D. | kVA |
| Answer» E. | |
| 785. |
The majority of power transformers in use throughout the world are oil filled using a mineral oil. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 786. |
Turn – over rate is high in which type of process? |
| A. | Continuous |
| B. | Batch |
| C. | Semi-batch |
| D. | Semi-continuous |
| Answer» B. Batch | |
| 787. |
Continuous culture provides a higher degree of control than a batch culture. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 788. |
What is the source of “Whey”? |
| A. | Rice |
| B. | Wheat |
| C. | Soya |
| D. | Milk |
| Answer» E. | |
| 789. |
The terms “Concentrated effluent” and “Diluted effluent” are used in internal feedback systems. |
| A. | True |
| B. | False |
| Answer» C. | |
| 790. |
What do you mean by the term “Back mutation”? |
| A. | Mutant to wild type |
| B. | Mutant from wild type |
| C. | Mutant from normal type |
| D. | Mutant forward from wild type |
| Answer» B. Mutant from wild type | |
| 791. |
“The productivity of the continuous culture must be greater than the batch”. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 792. |
What is the unit of Rbatch, where Rbatch is the output of the culture? |
| A. | g biomass dm-3 h |
| B. | g biomass dm-3h-1 |
| C. | g biomass dm h-1 |
| D. | g biomass dm-1 h-1 |
| Answer» C. g biomass dm h-1 | |
| 793. |
Defect in glucose-6-phosphate dehydrogenase leads to ________ |
| A. | red cell hemolysis |
| B. | diagnosis of organophosphate poisoning |
| C. | salivary gland disorders |
| D. | ruptured ectopic pregnancy |
| Answer» B. diagnosis of organophosphate poisoning | |
| 794. |
Which step of pentose phosphate pathway in represented in the following diagram? |
| A. | Oxidative step |
| B. | Renin conversion step |
| C. | Non-oxidative step |
| D. | Angiotensin conversion step |
| Answer» D. Angiotensin conversion step | |
| 795. |
What reaction is represented in the diagram? |
| A. | Purine degradation pathway |
| B. | Oxidative step of pentose phosphate pathway |
| C. | Glycolysis |
| D. | TCA cycle |
| Answer» C. Glycolysis | |
| 796. |
Glucose-6-phosphate dehydrogenase occurs in _________ |
| A. | adipose tissue |
| B. | saliva juice |
| C. | pancreatic juice |
| D. | tears |
| Answer» B. saliva juice | |
| 797. |
Which pathway is represented in the following diagram? |
| A. | Purine degradation pathway |
| B. | Glycolysis |
| C. | Renin angiotensin aldosterone pathway |
| D. | TCA cycle |
| Answer» D. TCA cycle | |
| 798. |
Which of the following is not a clinical application of angiotensin converting enzyme? |
| A. | Regulates blood pressure |
| B. | Regulates blood volume |
| C. | Gout |
| D. | Prevents acidosis |
| Answer» D. Prevents acidosis | |
| 799. |
_________ is a group of a hormone of the adrenal cortex that maintains ion balance. |
| A. | Acetylcholine esterase |
| B. | Creatine kinase |
| C. | 5I – nucleotidase |
| D. | Angiotensin converting enzyme |
| Answer» E. | |
| 800. |
Which among the following is the major component of acrylic fibres? |
| A. | Polyacrylonitrile |
| B. | Monoacrylonitrile |
| C. | Polyester |
| D. | Polyethylene |
| Answer» B. Monoacrylonitrile | |