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Which of the following electrodes are used for machining spherical surfaces in Electro discharge machining?
Two centrifugal pumps P and R are available for use in a pipe flow system and their head-discharge characteristics are as follows. Pump P Pump R Discharge (cumecs) Head (m) Discharge (cumecs) Head (m) 0 40 0 45 0.12 35 0.14 40 0.2 28 0.24 35 0.3 18 0.3 28   The following statements (S1, S2, and S3) pertain to the head and discharge values during actual operation. Neglect losses in the system. Which of the following statements are correct? S1: When the two pumps P and R are connected in parallel, the discharge is 0.36 cumecs corresponding to a head of 35 m. S2: When the two pumps P and R are connected in parallel, the discharge is 0.36 cumecs corresponding to a head of 70 m. S3: When the two pumps P and R are connected in series, the discharge is 0.3 cumecs corresponding to a head of 46 m.
What are the surface roughness values obtained while machining spherical surfaces using Electro discharge machining?
In addition to the feed of tool, Electro discharge machining tool can have which type of motion?
Consider the following types of motion.  A. Periodic Motion B. Straight Line Motion C. Rotational Motion D. Circular Motion The motion of a pendulum can be categorised in which of the following types of motion?
Which of the following forces are measured directly by strain gauges or force dynamometers during metal cutting? 1. Force exerted by the tool on the chip acting normally to the tool face 2. Horizontal cutting force exerted by the tool on the workpiece 3. Frictional resistance of the tool against the chip flow acting along the tool face 4. Vertical force which helps in holding the tool in position Select the correct answer using the codes given below.
Arrange the processes in the increasing order of their maximum material removal rate. Electrochemical Machining (ECM) Ultrasonic Machining (USM) Electron Beam Machining (EBM) Laser Beam Machining (LBM) and Electric Discharge Machining (EDM)
What is correct about the dismissal of Vice President of Municipal Council ? a. He may be dismissed by No confidence motion. b. Signature of 1/6 members of council is essential in the resolution to introduce the No confidence motion. c. Signature of 1/10 members of council is essential in the resolution to introduce the No confidence motion. d. No confidence motion should be accepted by the Council by 2/3 majority. e. No confidence motion should be accepted by the Council by 3/4 majority. f. No confidence motion should be Passed by more than half of the total elected members and 2/3 majority of the members present and voting.
A cube of side 4 cm is painted black on the pair of one opposite surfaces, blue on the pair of another opposite surfaces and red on remaining pair of opposite surfaces. The cube is now divided into smaller cubes of equal side of 1 cm each. How many smaller cubes have two surfaces painted?
In choosing a research tool which of the following are important considerations? A. The validity of the research tool B. The reliability of the research tool C. cost involved in terms of time and resources for use of research tool. D. Face validity of the research tool E. Opinion of the research supervisor Select the correct answer from the following options: