Wear is the loss of material from the surface of solid objects as a result of mechanical motion. Wear that can occur on a machine tool were flank wear and crater wear. Flank wear that occurs on a tool in this case the milling machine can make improper workmanship, damage to the machine, endanger the machine operator, and will cause a decrease in productivity. Observation of the tool condition w…
The increasing needs of electrical energy and the limited amount of fossil fuel that keep reducing give a huge effect to the enhancement of renewable wind energy to grows rapidly, one of it is wind turbine. The purpose of this research is to study the performance of horizontal axis wind turbine with inverse taper blade. The wind turbine is place on a building with ±15m. The output power is mea…
The aim of this research was to find out the effect of the manajerial supervision supervisor performance and work motivatio either simultaneously or partiall on headmaster performance at state Junior High Schols (SMP) in Kampar district. The population of the research was headmaster of State Junior High School (SMP) Kampar-District totalling 120 headmaster, with sample of 93 persons using the f…
In making effective decisions lot of things to consider, it can cover the basic issues that are used in decision making, types of decisions, the involvement of people (subordinates) to make decisions, form of decision-making, and the effectiveness of decision-making by the leadership. Recognizing the importance in decision making for organizations, especially schools, the principals need to inc…
This study aims to determine the effect of variables (1) perceptions on certification on teacher performance, (2) work motivation on teacher performance, (3) perception on teacher certification and work motivation collectively on teacher performance. The research respondents are all teachers who have been certified in SMP Negeri in Bengkalis Sub-district of Bengkalis Regency. In this study the …
The profile of Indonesian hajj in the last ten years belongs to high risk groups that could endanger safety and health of hajj in theirperforming atTanah Suci. The Government of Indonesia through the Ministry of Health has taken a strategic step in improving health of indonesian hajj by conducting training of Hajj Health Check Officer (HHCO). This research includes of qualitative research with …
Overcome the use of fossil fuel based power plants is improving annually and waste in Indonesia palm that cannot be used again, it is the basis for this research through the planning and manufacturing of wind turbine blades of elementary substance composite fibers of empty palm. The wind turbine blades designed adjusted on the basis of wind in Pekanbaru. Blades designed with type inverse tapers…
Friction welding is a type of solid state welding where the welding process is carried out in the solid phase. In the welding process there are several components that work, namely the electric motor as the main mover. This study aims to developmant a dynamometer to measure the mechanical power of a rotary friction welding machine. Dynamometer development includes the design, manufacture, calib…
This study aims to determine the performance of the dynamometer design as a measure of mechanical power on a rotary friction welding machine. The design of the dynamometer includes the design, manufacture, calibration, and testing of the dynamometer. The design and manufacture of strain dynamometers is adjusted to the motor of the rotary friction welding machine at the University of Riau's Mech…
The Kuantan Singingi community still believes in the existence of fine creatures that inhabit a place or object that is quite old. One example is the wood of the Track, the Path itself is made of wood that has been aged for hundreds of years and comes from the jungle in the wood. This wood can only be taken by people who understand about Subtle Creatures, namely Jalur Shaman. The equipment used…
Journalists are required to be able to take responsibility for all their journalistic activities before the public and the press. Due to the large number of complaints among media users who rate journalists as often misquoted, the news is inaccurate or even twists the news. Therefore, the press council in 2010 echoed journalist competency improvement through the Journalist Competency Test (UKW)…
The Menumbai Sialang Ritual is one of the traditions carried out by the indigenous Pelalawan community until now. This ritual is carried out in the forests and plantations of rural communities. The tradition of menumbai sialang aims to take or harvest forest bee honey nesting in the Sialang tree. Besides this tradition also aims to establish relationships between communities. Because not only a…
HIV (Human Immunodeficiency Virus) is a virus that causes AIDS (Acquired Immune Deficiency Syndrome) HIV / AIDS can drastically reduce the immune system so that it can cause diseases, bacteria, viruses, and other infections that attack the human body and this virus can be transmitted. It cannot be denied that there are still many people in Pekanbaru City who do not understand how to transmit th…
Freeze vacuum drying is one of the best drying methods for preserving foodstuffs. Besides being one of the solutions for post-harvest technology, freeze vacuum drying is also able to increase the selling value of an ingredient. This research is a follow-up study of freeze vacuum drying where in previous studies it was found that the maximum water loss is 78% of the mass of 50 g yam with the dry…
Quadcopter is an unmanned flying vehicle whose lift force is produced by the rotation of the driving motor. One type of multicopter that is widely used to conduct aerial mapping missions is the quadcopter type. In this study the design of the quadcopter frame structure was able to fly for more than 20 minutes with a MTOW quadcopter flying vehicle of 5 kg with a payload of 1.5 kg. The purpose of…
Hexacopter is the development of a helicopter that only has a rotor. Hexacopter has become a lot of research objects, one of them is in agriculture. This technology is feasible to be used and developed to help agriculture activities that are appropriate and efficient. One of them is to avoid direct contact with the body due to conventional use of pesticides. To minimize this risk, a special hex…
Tricopter is a kind of multicopter that has privileges in total mass, volume and energy consumption. In order to make Atha Mapper 2150 has the ability to Vertical Take off and Landing, an integration between tricopter and Atha Mapper 2150 is needed. Due for that, this research designed a tricopter structure that able to carry Atha Mapper under 6 kg MTOW. The research is started by literature st…
Piping system is used for fluid distribution that is very important in various fields of industry. When compared to other transportation systems such as vehicles, piping systems have a higher level of integration and are more effective. The need for systems is increasing in the industrial sector. Therefore, various types of damage that can occur in the pipeline system are important to be assess…
The purpose of this study is to describe the cognitive learning outcomes of students in learning physics on the material elasticity and Hooke's law through the application of the Team Assisted Individualization (TAI) learning model in class XI of Muhammadiyah 1 Pekanbaru Senior High School and to know the differences in students' cognitive learning outcomes in learning physics on elasticity and…
At this time, the work environment requires basic skills that are integrated with real life experience. Many students who fail to acquire these skills face the risk of unemployment because they only have theories or memorization that are not accompanied by the application of theory in daily life. Thus, to be more innovative, to have good, ideal and imaginative creativity, one must have high ord…