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Consider the following statements: 1. HSS tools wear very rapidly, whereas in cemented carbide tools, even though hardness is retained, crater wear can occur due to solid-state diffusion. 2. Cutting tools made of Super-HSS, also known as cobalt-based HSS, are made by adding 2% to 15% of cobalt which increases the cutting efficiency at heavier cuts by increasing the hot hardness and wear resistance. 3. Tools failure due to excessive stress can be minimized by providing small or negative rake angles on brittle tool materials, protecting tool tip by providing large side-cutting edge angles, and honing a narrow chamfer along the cutting edge. Which of the above statements are correct?
Study the following information carefully and answer the questions that follows. 5 persons Anil, Bhagat, Ishan, Deepak and Parmish use 5 different apps namely, WhatsApp, Instagram, Twitter, Facebook and LinkedIn. They all wear different brands of shoes namely, Adidas, Reebok, Nike, Puma and Vans. The person who wears Puma shoes does not uses Facebook. Parmish wear Nike shoes and uses LinkedIn app. Anil who wear Adidas shoes but neither uses Facebook nor Twitter. Ishan neither wear Vans nor Puma shoes but he uses Twitter app. The person who uses WhatsApp doesn’t wear Adidas shoes. Bhagat uses Facebook app. Deepak wear which shoes brand, and also determine who uses Instagram?
Three persons P,Q and R wore shirts of White, Black and Blue colours (not necessarily in that order) and pants of Green, Red and Whitecolours (not necessarily in that order). No persons wore shirts and pants of same colour. And further it is given that 1.A did not wear shirt of Black colour.
2.B did not wear shirt of Blue colour.
3.C did not wear shirt of White colour.
4.A did not wear pants of Green colour.
5.B wear pant of White colour. What were the colours of the pant and shirt wear by person A respectively?
Three persons A, B & C wear shirts of Black, Blue and Orange colours (not necessarily in the older) and pants of green, yellow and orange (not necessarily in that order). No person wore shirt and pant of the same colour. Further, it is given that, 1. A did not wear shirt of black colour. 2. B did not wear shirt of blue colour. 3. C did not wear shirt of orange colour. 4. A did not wear the pants of green colour. 5. B wore pants of orange colour. What were the colours of the pants and shirts worn by C respectively?
Three persons A, B and C wear shirts of Black, Blue and Orange colours (not necessarily in the order) and pants of green, yellow and orange (not necessarily in that order). No person wore shirt and pant of the same colour. Further, it is given that, 1. A did not wear shirt of black colour. 2. B did not wear shirt of blue colour. 3. C did not wear shirt of orange colour. 4. A did not wear pant of green colour. 5. B wore pant of orange colour What were the colours of the pant and shirt worn by C respectively?
Cemented carbide cutting tools are
P. made by casting
Q. made of mainly WC and cobalt
R. made of Fe3C and cobalt
S. made by liquid phase sintering
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.
Three persons A, B and C wore shirts of black, blue and orange colours (net necessarily in that order) and pants of green, yellow and orange colours (not necessarily in that order). No person wore shirt and pants of the same colour, Further, it is given that  1. A did not wear-shirt of black colour. 2. B did not wear shirt of blue colour 3. C did not wear shirt of orange colour 4. A did not wear pants of green colour. 5. B wore pants of orange colour. What were the colours of the pants and shirt worn by C, respectively ?
_________ of cemented carbide tools is used as a measure of wear performance.
The cemented carbide tools wear the most at ___________