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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.
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:
Rural life refers to the life of the people living in villages and under developed areas.Some of the facilities of town life are not available in the rural sides . Many people from rural come to the city for for studying or for earning a living as there is no proper education facilities available in the rural areas. There are many advantages as well as disadvantages when it comes to the rural life.  Which of the following, if true, would strengthen the conclusion about the advantages of rural life? 
Which of the following is the effect of mobile technology on social life?
1. It has made social life difficult.
2. It has made social life easy.
3. No effect on social life.
4. Made social life complicated.
Choose the correct answer
Which is the CORRECT equation for estimation of the tool life among the following, where T - tool life in minutes, V - cutting speed in m/min and C and n are constants?
Using the Taylor Equation for tool life and letting n = 0.5 and C = 120, calculate the percentage increase in tool life when the cutting speed is reduced by 50%.
Which of the following statement are true from reliability for a research tool? (a) Reliability is fixed for a given testing tool (b) It is correlation of scores on the testing tool itself (c) Reliability can have negative value (d) It varies from sample to sample (e) It is affected by variance of scores Choose the correct option:
Flank wear occurs mainly on the 1. Nose part of the cutting tool 2. Front relief face and side relief face of the cutting tool 3. Face of the cutting tool at the shortest distance from the cutting edge Which of the above is/are correct?
Consider the following statements to be true even if they seem to be at variance from commonly known facts and decide which of the conclusions logically follows from the statements. Statements: Some pan are card. No card are tool. Conclusions: I. Some tool are pan. II. All pan are tool. 
“Tool bit inserted in the (tool) holder and solid tool” – is included in the classification according to the_____