ENGINEERING CAREER AND STUDY MATERIALS

CIVIL ENGINEERING QUESTION ANSWERS 1. The presence of excess alumina in the clay is reflected in the bricks as  (1) Makes the bricks brittle and weak  (2) Makes the bricks crack warp on drying  (3) Changes the colour of the brick from red to yellow  (4) Improves impermeability and durability of the brick Answer: (1) Makes the bricks brittle and weak 2. The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called as  (1) Passometer  (2) Pedometer  (3) Odometer  (4) Speedometer Answer: (3) Odometer 3. The value of the stress induced in a body, when it is suddenly loaded, is ________ times the stress induced when the same load is applied gradually.  (1) Equal to zero  (2) One half  (3) Twice  (4) Six times Answer: (3) Twice Diploma Engineering CET Question Papers pdf. download Civil Engineers Recruitment Questions 4. When the cantilever beam is loaded at its free end, the maximum compressive stress shall develop at  (

1. Queuing theory deals with problems of a) material handling b) effective use of machines c) better utilization of man services d) reducing the waiting time or idle Jajme  Answer: (d) reducing the waiting time or idle Jajme  2. Monte Carlo solutions in queuing theory are extremely useful in queuing problems (a) that can't be analysed mathematically (b) involving multistage queuing (c) to verify mathematical results (d) all of the above Answer:   (a) that can't be analysed mathematically 3. For a product layout the material handling equipment must (a) be designed as special purpose for a particular application (b) employ conveyor belts, trucks, tractors etc.

Question 1:-The standard BOD of water is taken for  A:-5 days at 20°C  B:-3 days at 20°C  C:-5 days at 27°C  D:-2 days at 27°C  Correct Answer:-  A:-5 days at 20°C Question 2:-An imaging line joining the points of equal elevation on the surface of the earth is called  A:-Contour gradient  B:-Level line  C:-Contour surface  D:-Contour line  Correct Answer:-  D:-Contour line Question 3:-The main advantage of crystal oscillator is  A:-High efficiency  B:-High output voltage  C:-High frequency stability Electrical Engineering questions and answers for competitive exams Electrical Engineering Questions Electrical engineering Question Answers Electrical Engineering Question Answers- Nov 2018 Electrical Engineering Question Answers Electrical Engineering Question Answers  D:-High gain  Correct Answer:-  C:-High frequency stability Question 4:-When the collector voltage in a NPN transistor increases, the effective base width decreases. This phenomenon is called  A:-Schot

1. The forced oil and air circulation method is usual one for transformers of capacities (a) upto 5 MVA (b) upto 10 MVA (c) upto 20 MVA (d) 30 MVA upwards Answer: (d) 30 MVA upwards 2. Yokes with rectangular cross-section are used for (a) small capacity transformers (b) medium capacity transformers (c) large capacity transformers (d) any of the above Answer: (a) small capacity transformers 3. The ratio of maximum displacement deviation to full scale deviation of the instrument is called (a) static sensitivity (b) dynamic deviation (c) linearity

1. Which of the following is an open loop control system ? (a) Metadyne (b) Ward leonard control (c) Stroboscope (d) Field controlled D.C. motor Ans: (d) Field controlled D.C. motor 2. Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ? (a) The system is relatively stable (b) The system is highly oscillatory (c) The system is highly stable (d) None of the above Ans: (b) The system is highly oscillatory 3. A current density of _____ is ilsed for large power transformers with forced circulation of oil or with water cooling coils (a) 1.5 to 2.5 A/mm2 (b) 5.4 to 6.2 A/mm2

Question #1. Electrical machines having a power output upto about 750 W may be called_______machines. (a) small size (b) medium size (c) large size (d) any of the above Answer: (a) small size Question #2. A good control system has all the following features except (a) good stability (b) slow response (c) good accuracy (d) sufficient power handling capacity Answer: (b) slow response Question #3. The type 0 system has ______ at the origin. (a) simple pole (b) net pole (c) no pole (d) two poles Electrical Engineering questions and answers for competitive exams Electrical Engineering Questions Electrical engineering Question Answers Electrical Engineering Question Answers- Nov 2018 Electrical Engineering Question Answers Electrical Engineering Question Answers (e) none of the above Answer: (c) no pole Question #4. A direct current can be measured by (a) a D.C. potentiometer directly (b) a D.C. potentiometer in conjunction with a volt ratio box (c) a D.C. pote

Question #1. In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made (a) equal to that of armature mmf (b) less in comparison with the arma¬ture mmf (c) large in comparison with the arma-ture mmf (d) none of the above Answer: (c) large in comparison with the arma-ture mmf Question #2. For measurements on high voltage capacitors, the suitable bridge is (a) Wein bridge (b) Modified De Santy's bridge (c) Schering bridge (d) Any of the above (e) None of the above Answer: (c) Schering bridge Question #3. A signal other than the reference input that tends to affect the value of controlled variable is known as (a) disturbance (b) command (c) control element (d) reference input Answer: (a) disturbance Question #4. By which of the following methods the temperature rise of windings and other parts may be determined ? (a) Thermometer method (6) Resistance method

Question # 1. signal will become zero when the feedback signal and reference signs are equal. (a) Input (b) Actuating (c) Feedback (d) Reference Answer: (b) Actuating Question # 2. The distance between the starts of two consecutive coils measured in terms of coil sides is called (a) front pitch (b) winding pitch (c) commutator pitch (d) back pitch Answer: (b) winding pitch Question # 3. In a D.C. machine the number of brush arms is _____ the number of poles. (a) less than (b) greater than (c) equal to (d) none of the above Answer: (c) equal to Question # 4. The phase lag produced by transportation relays (a) increases linearly with frequency (b) is inverseh'proportional to frequency (c) is independent of frequency (d) decreases linearly with frequency Answer: (a) increases linearly with frequency Question # 5. _____ instruments are those which measure the total quantity of electricity delivered in a particular time. (a) Absolute (b) Indicating

1. In ________ machines, the size of the shaft is decided by the critical speed which depends on the deflection of the shaft. (a) small (b) medium (c) large (d) any of the above. Answer: (c) large 2. Materials exhibiting zero value of resistivity are known as ______ . (a) conductors__ (b) superconductors (c) insulators (d) semiconductors Answer: (b) superconductors 3. A control system in which the control action is somehow dependent on the output is known as (a) Open system (b) Semiclosed loop system (c) Closed loop system (d) None of the above Answer: (c) Closed loop system 4. Which of the following methods does not take into account the maximum temperature rise under variable load conditions ? (a) Method of average losses (b) Equivalent current method

Question 1:-Identify the hardest tool material  A:-Steel  B:-Ceramics  C:-Tungston carbide  D:-Diamond  Correct Answer:- Option-D Question 2:-The essential constituent of any hardened steel is  A:-Austenite  B:-Cementite  C:-Martensite  D:-Pearlite  Correct Answer:- Option-C Question 3:-The collapsible tooth paste tube are made by  A:-Drawing  B:-Deep drawing  C:-Rolling  D:-Extrusion  Correct Answer:- Option-D Question 4:-The vertical passage for bringing molten metal to mould cavity is called  A:-Sprue  B:-Riser  C:-Gate  D:-Chaplet

1. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ? (a) Absolute instruments (b) Recording instruments (c) Indicating instruments (d) Integrating instruments Answer: (c) Indicating instruments 2. In closed loop control system, with positive value of feedback gain the overall gain of the system will (a) decrease (b) increase (c) be unaffected (d) any of the above Answer: (a) decrease 3. For large power transformers, self oil cooled type or air blast type which of the following values of current density may be used ? (a) 1.0 to 1.2 A/mm2 (b) 1.5 to 2.0 A/mm2

1. The design of mechanical parts is particularly important in case of _____ speed machines. (a) low (b) high (c) medium (d) All the Above Answer: (b) high 2. A practical formula for determining the thickness of insulation between low voltage and high voltage windings is (a) 5 + 0.9 kV mm (6) 2 + 0.5 kVmm (c) 4 + 0.7 kV mm (d) 1 + 0.2 kVmm Answer: (a) 5 + 0.9 kV mm 3. For making a capacitor, it is better to select a dielectric having (a) low permittivity (b) permittivity slightly more than that of air

3531. The direction of electric field due +0 positive charge is . (a) towards the charge (b) away from the charge (c) both (a) and (6) (d) none of the above Correct Answer: (b) away from the charge 3532. For open control system which of the following statements is incorrect ? (a) Less expensive (b) Construction is simple and maintenance easy (c) Recalibration is not required for maintaining the required quality of the output (d) Errors are caused by disturbances Correct Answer: (c) Recalibration is not required for maintaining the required quality of the output 3533. Electrical machines having power outputs ranging from a few kW upto approximately 250 kW may be classified as (a) medium size machines (b) small size machines (c) large size machines

ELECTRICAL ENGINEERING QUESTION AND ANSWERS   From Question No. 3526 to3530 Electrical Questions with Answers published here. The Solved Electrical Engineering Question answers are very much useful for preparing the upcoming Recruitment Examinations   3526. In D.C. machines the usual limit of slot pitch is (a) between 5 to 10 mm (b) between 10 to 15 mm (c) between 15 to 20 mm (d) between 25 to 35 mm Answer: (d) between 25 to 35 mm ELECTRICAL ENGINEERING QUESTION AND ANSWERS -2019 3527. The lines of force due to charged particles are (a) always straight (b) sometimes curved (c) always curved (d) none of the above Answer: (c) always curved 3528. A controller, essentially, is a (a) sensor (b) clipper (c) amplifier (d) comparator Answer: (d) comparator ELECTRICAL ENGINEERING QUESTION AND ANSWERS-2021 3529. A Weston frequency meter is (a) moving iron instrument (b) moving coil instrument (c) dynamometer instrument (d) none of the above Answer: (a) moving iron in

3516. The household energy meter is (a) an integrating instrument (b) a recording instrument (c) an indicating instrument (d) none of the above Answer: (a) an integrating instrument 3517. Which of the following devices is used for conversion of co-ordinates ? (a) Microsyn (b) Synchro-resolver (c) Selsyn (d) Synchro-transformer Answer: (b) Synchro-resolver 3518. Induction type single phase energy meters measure electric energy in (a) kW (b) Wh (c) VAR (d) kWh