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Consider the following statements: The axis of spiral bevel gear are non-parallel and intersecting. 1) The most common pressure angle for spiral bevel gear is 20° 2) The most common spiral angle for spiral bevel gear is 35. 3) Spirals bevel gears are generally interchangeable. 4) Spirals are noisy and recommended for low speeds of 10 m /s. Which of the above statements are correct?
Vertical milling attachment in milling machines are generally used to
Slotting milling attachment in milling machines are generally used to
Consider the following statements regarding milling machine: 1. In the vertical milling machine, it Is possible to machine dovetail recesses. 2. In universal milling machine, the worktable can be swivelled. 3. In rotary milling machine, motion imparted to work is rotary. 4. Planer milling machine is provided with several horizontal and vertical heads. Which of the above statements are correct?
Study the table and answer the question that follows: In the given table, production of five different types of machines (A, B, C, D, E) in the years from 2016 to 2020 (in thousands) is given. Machines Years 2016 2017 2018 2019 2020 A 46 53 56 58 67 B 50 65 67 66 72 C 43 54 55 47 51 D 47 52 61 65 74 E 48 58 63 64 67 What is the ratio of the total production of type A machines in 2018 and type E machines in 2019 to the total production of type C and type D machines in 2016?
The question below consists of a set of labelled sentences is given. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P- After industrial revolution man has developed and progressed rapidly.  Q- From simple calculations to mass production of things – everything we need in today’s fast-paced life is assisted by machines. R- While the man is the inventor of machines, he is also highly dependent on the machines. S- Machines and modern technology have given him comfort, facilities and leisure in life.
In the following question, there are six sentences marked S1, S6, P, Q, R and S. The position of S1 and S6 are fixed. Choose one of the four options given below which would be the most logical sequence of the sentences in the passage. S1.We do not know how to manage our machines.  P. The machines are very stern masters. Q. They must be fed with coal, and given petrol to drink, and oil to wash with, and must be kept at the right temperature. R. Machines were made to be man's servants, yet he has grown so dependent on them that they are in a fair way to become his masters.  S. Already most men spend most of their lives looking after and waiting upon machines.  S6. If they do not get their meals when they expect them, they grow sulky and refuse to work.
Three statements are followed by three conclusions numbered I, Il and Ill. Assuming the statements to be true even if they do not conform to real-world knowledge, decide which of the conclusions logically follows/follow from the statements. Statements: 1. All watches are clocks. 2. Some clocks are machines. 3. Some machines are gadgets. Conclusions: I. Some watches are machines. Il. Some machines are clocks. Ill. Some gadgets being clocks is a possibility.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All computers are machines. No television is a computer. All televisions are instruments. Conclusions: I. Some instruments are machines. Il. Some machines are computers. III. Some televisions are machines.
Two statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Comments: All rulers are machines. Some machines are costly items. Conclusions: I. Some rulers are costly items. II. Some costly items are machines. III. All costly items are machines.