Engineering, 18.03.2021 01:10 travisvb
Test de evaluare
1. Pentru fiecare cerință de mai jos, încercuiți litera corespunzătoare răspunsului corect:
1. Instruirea introductiv generală se face de către:
a) serviciul comercial;
b) serviciul mecano-energetic;
c) şeful departamentului producție;
d) un lucrător al serviciului intern de prevenire şi protecție.
Answers: 3
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
Engineering, 04.07.2019 18:10
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
Answers: 2
Engineering, 04.07.2019 18:20
Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
Answers: 2
Engineering, 04.07.2019 19:10
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
Test de evaluare
1. Pentru fiecare cerință de mai jos, încercuiți litera corespunzătoare răspunsulu...
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