Join our WhatsApp Group
Electric Drives BEU Question Paper Solution:- In this article, I have provided the solution of Electric Drives along with its solution based on BEU question paper. I tried to make the solutions very simple so that each and every student can understand it.
Students can easily download the solution of Electric Drives question paper as well as BEU Question Paper Solution by just clicking on the download button available at the bottom of this page.
This Blog is to provide BEU Solutions to past year's question papers in Electric Drives assisting Students in their exam preparation
Download Electric Drives B.Tech 6th Semester 2022,
BEU PYQ (Previous Years Question) Papers
Download Bihar Engineering University (BEU) Previous Years Question Paper Solution
1. Choose the correct option of the following.
(i) high efficiency
(ii) low noise
(iii) constant speed
(iv) All of the above. ✔
(i) Plugging braking
(ii) Dynamic braking
(iii) Regenerative braking ✔
(iv) None of the above
(i) Individual
(ii) Multimotor ✔
(iii) Group
(iv) None of the above
(d) The starting torque of a d.c. motor is independent of which of the following?
(i) Flux
(ii) Speed ✔
(iii) Armature current
(iv) Flux and armature current
(e) If the current in the armature of d.c series motor is reduced to 5%, the torque of the motor will become
(i) 50% of the previous value
(ii) 100% of the previous value
(iii) 150% of the previous value ✔
(iv) 25% of the previous value
(f) Which speed control method is preferred for constant torque drive?
(1) Field control
(ii) Mechanical loading system
(iii) Armature voltage control ✔
(iv) None of the above
(g) A step-down chopper can be used in
(i) electric traction
(ii) electric vehicles
(iii) machine tools
(iv) All of the above ✔
(h) A d.e. chopper circuit connected to a 100 V d.c. source supplies an inductive load having 40 mH in series with a resistance of 50. A freewheeling diode is placed across the load. The load current varies between the limits of 10 A and 12 A. The time ratio (Ton/T off) of the chopper is
(i) 1.68 ✔
(ii) 0.98
(iii) 1-22
(iv) 0.75
(i) In an induction motor, when the number of stator slots is equal to an integral number of rotor slots
(i) There may be a discontinuity in torque slip characteristics
(ii) a high starting torque will be available
(iii) the maximum torque will be high
(iv) The machine may fail to start ✔
(j) Induction motor is also known as
(i) frequency changer ✔
(ii) frequency remover
(iii) time period remover
(iv) d.c. machine
- BEU PYQ Solution: Digital Image Processing
- Environmental Engineering - II BEU Question Paper Solution
- Internet of Things (IoT) BEU Question Paper Solution
- Computer Architecture BEU Question Paper Solution
- Industrial Electrical System (IES) BEU Question Paper Solution
- Professional Skill Development (PSD) BEU Question Paper Solution
All in one BEU PYQ solution PDF is Provided below
(b) A 500 V series motor having armature resistance and field resistance of 0-2 and 0-3 respectively runs at 500 rpm when taking 70 A. Assuming an unsaturated field, find out its speed when a field diverter of 0-684 2 is used as constant load torque.
3. (a) Explain the control of d.c. drives using rectifiers and choppers.
(b) Discuss the speed control of a.c. motors by using three-phase a.c. voltage regulators.
7. (a) Explain in detail about various methods of solid-state speed control techniques by using inverters.
8. Possible in d.c. series motor?
(a) Explain the speed of the induction motor from the rotor side.
(b) Why is the regenerative braking not
(c) How is the speed control of the d.c. drive achieved using a fully controlled rectifier?
9. (a) Define the continuous duty of a motor.
(b) Mention four types of mechanical load.
(c) What are various functions performed by an electric drive?
(d) What are the different types of electric braking?
(e) What are the disadvantages of inserting resistance in the rotor circuit in a slip ring induction motor?
Download All in One Solution of Electric Drives
BEU Question Paper Solution
