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In ward leonard system of speed control we cannot achieve uniform acceleration of motors.

In ward leonard system of speed control we cannot achieve uniform acceleration of motors. Correct Answer False

In ward leonard system of speed control we can achieve uniform acceleration of motors. It is a very smooth speed control method, where the acceleration of the motor is uniform and it also can be bidirectional.

Related Questions

Statement : Residents from Model Colony coming under North Ward of City X have complained to the Ward Officer that for last three days the tap water in the ward is contaminated and no action is being initiated by municipal staff. Courses of Action : I. The Ward Officer of North Ward should initiate action against residents who have lodged complaints against municipal staff. II. The Ward Officer should ask his junior officer to visit Model Colony to assess the actual condition of water with his staff and to get samples of water tested from laboratories. III. The Ward Officer should ask Ward Engineer to check water installations and pipelines in the Model Colony area.
Statement : Residents from Model Colony coming under North Ward of City X have complained to the Ward Officer that for last three days the tap water in the ward is contaminated and no action is being initiated by municipal staff.

Courses of Action :
I. The Ward Officer of North Ward should initiate action against residents who have lodged complaints against municipal staff.
II. The Ward Officer should ask his junior officer to visit Model Colony to assess the actual condition of water with his staff and to get samples of water tested from laboratories.
III. The Ward Officer should ask Ward Engineer to check water installations and pipelines in the Model Colony area.
Following statements are given for DC motors (a) DC motors require less maintenance than AC motors (b) DC motors cannot provide high starting torque (c) DC motors are not suitable for very high-speed applications (d) The methods of speed control of DC motors are simpler and less expensive than those of AC motors Which of the following statements are correct?
Which one of the following four addresses is NOT EXACTLY the same as the one given below? Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam (i) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam (ii) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Viatnam (iii) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam (iv) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam
Consider the following statements regarding ac drives: 1. For the same kW rating, ac motors are 20% to 40% light weight as compared to dc motors. 2. The ac motors are more expensive as compared to same kW rating dc motors. 3. The ac motors have low maintenance as compared to dc motors. Which of the above statements are correct?
What is the distance covered by boat N upstream in 5 hours? Which of the following option is sufficient alone to find the answer? A) Boat M is travelling downstream with 20% more downstream speed of boat N. Speed of boat M in still water is 10% more than the speed of boat N in still water. B) Boat M and Boat N are travelling downstream with speed 33 km/hr and 40 km/hr respectively and speed of boat M is still water is 2 times the speed of stream. C) Speed of boat M in still water is 6 km/hr less then speed of boat N in still water and speed of stream is 10 km/hr. D) Speed of stream is ½ times the speed of boat N in still water and downstream speed of boat M is 44 km/hr. E) Speed of stream is 10 km/hr and ratio of upstream speed of boat M and boat N is 3 : 2 respectively.
Speed control by Ward Leonard method gives uniform speed variation
Speed control by Ward Leonard method, can give uniform speed variation _______________
Ward-Leonard system of system of speed control is not recommended for _________
A person X from a place A and another person Y from a place B set out at the same time to walk towards each other. The places are separated by a distance of 15 km. X walks with a uniform speed of 1.5 km / hr and Y walks with a uniform speed of 1 km / hr in the first hour, with a uniform speed of 1.25 km / hr in the second hour and with a uniform speed of 1.5 km / hr in the third hour and so on. Which of the following is / are correct? 1. They take 5 hours to meet. 2. They meet midway between A and B. Select the correct answer using the code given below: