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A set of jobs A, B, C, D, E, F, G, H arrive at time t = 0 for processing on turning and grinding machines. Each job needs to be processed in sequence - first on the turning machine and second on the grinding machine, and the grinding must occur immediately after turning. The processing times of the jobs are given below. Job A B C D E F G H Turning (minutes) 2 4 8 9 7 6 5 10  Grinding (minutes)  6 1 3 7 9 5 2 4 If the makespan is to be minimized, then the optimal sequence in which these jobs must be processed on the turning and grinding machines is
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. Statements: All equipments are screw-drivers. All machines are equipments. Conclusions: I. Some screw-drivers are equipments. II. Some screw-drivers are machines. III. All equipments are machines.
Which equipments support primary equipments with support stations and support equipments?
In the question below, is given a passage followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the following suggested courses of actions logically follow(s) for pursuing. Passage: One of the biggest problems facing ABC Bank of India is the attrition of its Probationary Officers post their job confirmation. The bank spends crores of rupees in their training during Probation, but after confirmation in service, many of the Probationary officers quit the Bank. While some of them jump to more lucrative jobs in the Private Sector Banks, some prefer to quit even without finding another job. Courses of action:  I. ABC Bank must make the Probationary Officers sign a bond upon joining, asking them to serve the bank for a minimum of 10 years after confirmation. II. New HR policy must be introduced to recover training costs from Probationers who serve the bank for less than 5 years. III. The Bank must appoint an internal committee to find out the reasons for the attrition of Probationary Officers.
Crush strength of a particle is an indication of the particle’s attrition properties which are necessary to study attrition and erosion of the fluidized bed.
The main size reduction operation in ultrafine grinders is
Consider the following statements with reference to grinding wheel characteristics: 1. Aluminium oxide and silicon carbide are used for making the grinding wheels. 2. Rubber bonds are used for making flexible wheels 3. The grade of a wheel is determined by the strength of the bonding materials 4. Negative rake angles are used for grinding of high-strength materials Which of the above statements are correct?
Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.
The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.
The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.